SDR SWAA2022111464990

Service difficulty report · Channel · Boeing 7377H4

Difficulty date: October 27, 2022
Submitted: November 14, 2022
Operation: Air carrier
Aircraft: N403WN
Make and model: Boeing 7377H4
Aircraft serial: 29815
Aircraft time: 72,717 hours, 43,173 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Condition: Corroded
Location: Bs 727-727e
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

AFT CARGO FLOOR CHANNEL AT RBL 21, WL 156, BS 727-727E+10 CORRODED. FOUND OUT OF LIMITS IAW SRM 51-10-02-0G-0. LOCATED AND DRILLED A NEW CHANNEL IAW SRM 51-40-05-0G-0. TREATED AND PRIMED THE NEW CHANNEL IAW AMM 51-21-41-370-804 AND AMM 51-21-72-370-804.

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