SDR CALA2022091602378

Service difficulty report · Beam · Boeing 737

Difficulty date: September 15, 2022
Submitted: September 16, 2022
Operation: Air carrier
Aircraft: N76503
Make and model: Boeing 737
Aircraft serial: 33461
Aircraft time: 50,936 hours, 18,437 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Beam
Part number: 147A5506
Condition: Corroded
Location: Sta. 986.5
Stage of operation: IN
How discovered: O
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 PASSENGER COMPARTMENT WWET AREA:POSSIBLE CORROSION POINTS ON FLOOR BEAM STA. 986.5IN LBL 27,LBL35 AND LBL43 (REF AAR NR 99944 132) PERFORMED REPAIR AT STA 986.5 IAW B737-800 SRM 53-70-51-2R-4, SR M 51-10-02, SRM 51-40-02, SOPM 20-10-03, AMM 51-21-41-370-803, A MM 51-21-72-370-801 AND SRM 51-20-01 (WORK ACCOMPLISHED BY V9396 08 AND AAR QC A-76 V920285)