SDR SWAA2022020814234

Service difficulty report · Floor Panel · Boeing 73771B

Difficulty date: January 10, 2018
Submitted: February 8, 2022
Operation: Air carrier
Aircraft: N7849A
Make and model: Boeing 73771B
Aircraft serial: 29367
Aircraft time: 33,542 hours, 22,068 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Condition: Corroded
Location: Aft Cargo Bay
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 COMPARTMENT FLOOR PANEL 140AF IS CORRODED ON TOP SIDE. / REMOVED CORROSION AT FLOOR PANEL 140AF AT VERIFIED LIMITS AND 'OUT OF LIMITS' MATERIAL ORIGINAL .071' LOSS .009' REMAINING .062'; VERIFIED NEW PART TAG: A80226 P/N 2024-T3-.071' LOCATED; DRILLED APPLIED ALODINE; PRIME AND CIC FROM UNDER PANEL 140AF AFT CARGO IAW B737-700 SRM 51-40-02-0G-0 51-40-05-0G-0; DWG: 453A2610 REV:K; B AMM 51-21-91-620-802; 51-21-41-370-803; 51-21-72-370-804 SRM 53-00-53-1A-1 TAG: A80226

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