Service difficulty report · Skin · Boeing 7377BD

Difficulty date
July 3, 2025
Submitted
July 8, 2025
Operation
Air carrier
Aircraft
N7744A
Make and model
Boeing 7377BD
Aircraft serial
33931
Aircraft time
58,420 hours, 31,109 cycles
Part
Skin
Condition
Bulged
Location
Zone 500 Flap
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

LH INBD TRAILING EDGE AFT FLAP UPPER FLAP SKIN AREA HAS BULGE 2.5IN FROM TRAILING EDGE AND 7IN FROM INBD EDGE<[01] REF TTG8Q013J5AB FOR REMOVAL AND INSTALLATION OF L/H INBOARD AFT FLAP REF AMM 27-51-12;[02] PERFORMED RII OF LH INBOARD AFT FLAP INSTALLATION ON TTG8Q013J5AB PER AMM 27-51-12

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