- turned back just after crossing into Florida,
- carried out a missed approach on one of the 27 runways at ATL after about 1 hour in the air,
- spent about half an hour in a hold at 6000ft about 30nm east of the airport, and finally
- landed after a total two hours in the air.
Moderators: richierich, ua900, PanAm_DC10, hOMSaR
DL151 ATL-LIM returning to ATL
Tonight's Delta flight 151 from Atlanta to Lima, Peru (operated by N829MH)
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- RobertS975
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DL 151 ATL-LIM Strange Diversion
DL 151 ATL-LIM returned to ATL after reaching northern FL. The altitude graph is strange in that there was a rapid descent and a prolonged time spent at lower altitudes.
https://flightaware.com/live/flight/DAL ... /KATL/SPJC
I have no info, but the rapid descent raises the possibility of a pressurization issue. Anybody with the inside scoop?
https://flightaware.com/live/flight/DAL ... /KATL/SPJC
I have no info, but the rapid descent raises the possibility of a pressurization issue. Anybody with the inside scoop?
Re: DL 151 ATL-LIM Strange Diversion
RobertS975 wrote:DL 151 ATL-LIM returned to ATL after reaching northern FL. The altitude graph is strange in that there was a rapid descent and a prolonged time spent at lower altitudes.
https://flightaware.com/live/flight/DAL ... /KATL/SPJC
I have no info, but the rapid descent raises the possibility of a pressurization issue. Anybody with the inside scoop?
Right engine bleed issue.
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- Newbiepilot
- Posts: 3646
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Re: DL 151 ATL-LIM Strange Diversion
That is not an emergency descent. Looks like a pneumatic or other type of failure like an air conditioning pack. Given their missed approach it could have been something hydraulic since they got pretty low and went around. Perhaps the gear didn’t deploy and needed a manual extension or the slats or flaps didn’t fully extend and the pilots needed some time to troubleshoot.
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- RobertS975
- Posts: 1178
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Re: DL 151 ATL-LIM Strange Diversion
Newbiepilot wrote:That is not an emergency descent. Looks like a pneumatic or other type of failure like an air conditioning pack. Given their missed approach it could have been something hydraulic since they got pretty low and went around. Perhaps the gear didn’t deploy and needed a manual extension or the slats or flaps didn’t fully extend and the pilots needed some time to troubleshoot.
At one point, the rate of descent was almost 4,000 fpm. Not an airline pilot, so I don't know how often this happens in standard normal operations.
Re: DL151 ATL-LIM returning to ATL
The reason for 27R instead of 27L is because 27L is the longest runway. 11,000ft and some change versus the 9,000ft 27L.
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- lavalampluva
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Re: DL151 ATL-LIM returning to ATL
If it was a mechanical issue it's good that it happened where it did. The flight just came in from STR. This event over the Atlantic could have been tragic.
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- GoSteelers
- Posts: 118
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Re: DL151 ATL-LIM returning to ATL
The aircraft needed the longest runway. During the time the aircraft did the first go around and was ready to come in, R27R became unavailable due to a MD88 that lost its steering while taxing in position for departure. DAL151 elected to hold until that aircraft was towed off and 27R became available again.
Re: DL151 ATL-LIM returning to ATL
lavalampluva wrote:If it was a mechanical issue it's good that it happened where it did. The flight just came in from STR. This event over the Atlantic could have been tragic.
Nothing about this event translates into a “tragic” outcome if it were to have taken place over water.
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- Newbiepilot
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Re: DL 151 ATL-LIM Strange Diversion
RobertS975 wrote:Newbiepilot wrote:That is not an emergency descent. Looks like a pneumatic or other type of failure like an air conditioning pack. Given their missed approach it could have been something hydraulic since they got pretty low and went around. Perhaps the gear didn’t deploy and needed a manual extension or the slats or flaps didn’t fully extend and the pilots needed some time to troubleshoot.
At one point, the rate of descent was almost 4,000 fpm. Not an airline pilot, so I don't know how often this happens in standard normal operations.
There is a FAR requirement that every passenger jet can get to 10,000ft in 4 minutes in the event of a rapid decompression. The airplane was mostly descending at 2-3,000 FPM, which is fast but not engines idle full spoiler maximum decent. 6-8,000fpm is around the maximum rate.
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