Service difficulty report · Floor Support · Boeing 737924ER

Difficulty date
March 14, 2025
Submitted
March 17, 2025
Operation
Air carrier
Aircraft
N77431
Make and model
Boeing 737924ER
Aircraft serial
32833
Aircraft time
51,647 hours, 18,333 cycles
Part
Floor Support
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
V
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 WET AREA, CORROSION OUT OF LIMITS ON INTERCOSTAL BTW STA 294.5 TO STA 303.9 LBL 8 REQUIRE REPLACE (REF: AAR NR 1000031076) REMOVED AND REPLACED INTERCOSTAL FWD WET AREA BTW STA 294.5 TO STA 303.9 LBL 8 ALL WORK DONE IAW B737-900E ER AMM 20-60-07-913-801, DWG NO. 141A5600, SRM 51-40-05, SRM 51-40-05, SRM 51-40-02-0G-0 (WORK ACCOMPLISHED BY V945231 AND AAR QC A-40 V947834) REPLACED INTERCOASTAL MFG P/N 141A5690U1. LEFT SIDE STA295.5 TO STA 303.9 LBL 8. REFERENCE SRM 51-40-02-06-00, PAGE 1 TO 85, FIGURE 1. REMOVED AND REPLACED INTERCOSTAL FWD WET AREA BTW STA 294.5 TO 3 03.9 LBL 8 ALL WORK DONE IAW B737-900ER AMM 20-60-07-913-801, DR W. NO 141A5600, SRM 51-40-05, SRM 51-40-02-0G-0.