SDR SWAA2021092814023

Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date: September 1, 2021
Submitted: September 28, 2021
Operation: Air carrier
Aircraft: N229WN
Make and model: Boeing 7377H4
Aircraft serial: 32498
Aircraft time: 53,178 hours, 31,536 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Sidewall Support
Condition: Corroded
Location: Fuselage
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

CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT BS 727 - 847, LBL 22, WL 156. FABRICATED A NEW FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-05, SRM 53-00-53-2R-5, STEPS 4. D-H, G DWG 146A7502, AND DWG 146A7500. INSTALLED FLOOR TO SIDEWALL SPLICE REPAIR AND NUTPLATE IAW SRM 53-00-53-2R-6, SRM 51-40-10 AND DWG 146A75002 ID: 0027 REV:-.

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