Service difficulty report · Panel · Boeing 7377H4

Difficulty date
December 17, 2025
Submitted
December 19, 2025
Operation
Air carrier
Aircraft
N491WN
Make and model
Boeing 7377H4
Aircraft serial
33867
Aircraft time
64,990 hours, 38,948 cycles
Part
Panel
Condition
Cracked
Location
Zone 600 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

RIGHT WING DEFLECTION RIB UPPER ATTACH POINT TO UPPER SHELF PANEL IS COMPLETELY CRACKED. TRIMMED OUT THE DAMAGED UPPER TAB FROM THE DEFLECTION CONTROL RIB IAW SRM 57-51-02-2R-3;[02] FLAP PEENED REWORKED AREA PER SOPM 20-10-03. INSTALLED THE SEAL AND RETAINER IAW SRM 51-40-02. INSPECTION C/W INSTALLED RIGHT WING DEFLECTION ROLLER RIB UPPER AND LOWER ATTACH BOLTS PER SRM 51-40-02.;[09] C/W RII REQUIREMENT FOR REINSTALLED SPOILER CABLE PULLEY AND BRACKET PER AMM 20-10-09.

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