SDR SWAA2022012582566

Service difficulty report · Rib · Boeing 7377H4

Difficulty date: May 19, 2017
Submitted: January 25, 2022
Operation: Air carrier
Aircraft: N749SW
Make and model: Boeing 7377H4
Aircraft serial: 29801
Aircraft time: 63,290 hours, 36,543 cycles
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Rib
Condition: Cracked
Location: Left 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 WING FIXED TRAILING EDGE PANEL AFT OF NO. 1 PYLON; DEFLECTOR RIB CRACKED AT LOWER FASTENER ATTACH POINT. MARKED. / REMOVED SEAL RETAINER FROM WEB ASSEMBLY AT LEFT WING FIXED TRAILING EDGE PANEL AFT OF NO. 1 PYLON; DEFLECTOR RIB. IAW SRM 51-40-02-0G-00. DRILLED NEW WEB ASSEMBLY IAW SRM 51-40-05-0G-00 AND IPC 57-56-00-25. INSTALLED SEAL RETAINER TO NEW WEB ASSEMBLY IW SRM 51-40-02-0G-00 AND IPC 57-50-00-25.

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