Service difficulty report · Flap · Boeing 737790

Difficulty date
October 4, 2019
Submitted
May 16, 2022
Operation
Air carrier
Aircraft
N557WN
Make and model
Boeing 737790
Aircraft serial
30166
Aircraft time
61,774 hours, 29,614 cycles
Part
Flap
Condition
Debonded
Location
L/H Wing
Stage of operation
IN
How discovered
9
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

LEFT HAND INBOARD AFT FLAP LOWER SURFACE DISBOND AT 29' FROM O/B AND 4' FROM T/E / DISBOND ON LEFT HAND I/B AFT FLAP WAS TO PROTECTIVE PLIES ONLY AT 4' FROM T/E AND 29' FROM O/B EDGE. REPAIR DISBOND PER SRM 57-53-01-2R-4 PARA 3D AND SRM 51-70-05-2R-0.