Service difficulty report · Depressor · Boeing 74744AF

Difficulty date
May 29, 2026
Submitted
June 16, 2026
Operation
Air carrier
Aircraft
N577UP
Make and model
Boeing 74744AF
Aircraft serial
35666
Aircraft time
63,511 hours, 9,924 cycles
Part
Depressor
Part number
65B0185286
Part serial
02165390
Condition
Cracked
Location
Zone 800
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CRACKED DEPRESSOR , FWD CARGO DOOR CUTOUT FWD SIDE. IAW SRM 51-40-02-0G, REV 106 AND DWG 65B01852, SHEET 8, REV.C AND AIPC 52-34-60-03 REV.61 INSTALLED NEW DEPRESSOR.

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