SDR SWAA2022032957846

Service difficulty report · Channel · Boeing 7377H4

Difficulty date: September 12, 2019
Submitted: March 29, 2022
Operation: Air carrier
Aircraft: N906WN
Make and model: Boeing 7377H4
Aircraft serial: 36887
Aircraft time: 40,396 hours, 23,607 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Condition: Corroded
Location: Aft Cargo
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 R/H FLOOR TO SIDEWALL SUPPORT CHANNEL STA 727 - 767 RBL 21 WL 155 / FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM. REMOVED; FABRICATED; TREATED + PRIMED; AND INSTALLED AFT CARGO RH FLOOR TO SIDEWALL SUPPORT CHANNEL STA 727-767 RBL 21 WL 155 IAW SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; AMM 51-21-73-370-804; AMM 51-21-41-370-802 SRM 51-40-10-2R-0; BOEING DWG # 146A7500; # 146A7502 59125U 10/2/19

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