SDR SWAA2023011984318

Service difficulty report · Support · Boeing 7377H4

Difficulty date: December 21, 2022
Submitted: January 19, 2023
Operation: Air carrier
Aircraft: N272WN
Make and model: Boeing 7377H4
Aircraft serial: 32527
Aircraft time: 52,973 hours, 31,748 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Condition: Corroded
Location: Bs 500b Rbl25
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

FWD CARGO RT FLOOR TO SIDEWALL SUPPORT WAS CORRODED, BS 500B +6; +14, RBL 25, WL 156. FABRIACATED, LOCATED, AND DRILLED A NEW FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-05, AND DWG 143A7501 REV. APPLIED CHEMICAL CONVERSION COATING AND PRIMER IAW SRM 51-20-01 & AMM 51-21-72-370-804.

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