Service difficulty report · Skin · Boeing 7377H4

Difficulty date
July 22, 2026
Submitted
July 24, 2026
Operation
Air carrier
Aircraft
N236WN
Make and model
Boeing 7377H4
Aircraft serial
34631
Aircraft time
66,137 hours, 39,801 cycles
Part
Skin
Condition
Cracked
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

LEFT AFT OUTBD T/E FLAP INBD. CLOSURE RIB LOWER HOLE HAS A CRACK INDICATION. REMOVED LEFT AFT OUTBOARD FLAP AS PER AMM 27-51-22. INSTALLED LT OTBD AFT FLAP IAW AMM 27-51-22 STEP3A-3F5G COMPLETED INSTALLATION AND ADJUSTMENT OF LH O/B AFT FLAP PER AMM 27-51-22. VERIFIED REMAINDER OF INSTALLATION AND ADJUSTMENT PER AMM 27-51-22.

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