Service difficulty report · None · Boeing 7377H4

Difficulty date
September 7, 2021
Submitted
October 4, 2021
Operation
Air carrier
Aircraft
N225WN
Make and model
Boeing 7377H4
Aircraft serial
34333
Aircraft time
53,839 hours, 31,987 cycles
Part
None
Condition
Cracked
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

STA 663 VAPOR BARRIER UPPER FWD SIDE ATTACH ANGLE CRACKED AT RBL 10 ; / REMOVED FASTENERS FOR REPAIR IAW B737-700 RM 51-40-02-0G-0 AND 57-10-10-2R-5<BR> REPAIR 5;TRIM DAMABED AREA IAW B737-700 SRM 57-10-10-2R-5; [07] VERIFIED STEP 4 AND 6.ACCOMPLISHED DVI ; NO OTHERS DAMAGE NOTED IAW SRM 57-10-2R-5 STEP 4D. STARTED FABRICATING REPAIR ANGLE AS PER SRM 57-10-10-2R-5-A01754 (REPAIR 5 - WING CENTER SECTION REAR SPAR VAPOR BARRIER ATTACH ANGLE REPAIR - PERMANENT)FABRICATED REPAIR PARTS AT WING CENTER SECTION REAR SPAR AS PER REF..B737-700 SRM 57-10-10-2R-5; [10] VERIFIED 9; [11] OK TO TREAT AND PRIME REPAIR PARTS; [12] TREATED AND REPAIR PARTS AS REQUIRED REFERENCE B737-700 SRM 51-20-01-0G-0 AND SOPM 20-41-02; [13] VERIFIED STEP 12. OK TO INSTALL FABRICATED PARTS; [14] INSTALLED FASTENERS INSIDE FUEL TANK REF B737-700 SRM 57-10-10-2R5; [15] PARTIALLY INSTALLED REPAIR PER SRM 57-10-10-2R-5; [16] APPLIED CAP SEAL TO CENTER FUEL TANK FASTENERS AS PER B737-700 SRM 51-80-01; [17] INSTALLED REPAIR PARTS AS PER B737-700 SRM 51-40-02-0G-0; [18] VERIFIED STEPS 15 AND 16; [19] REMOVED EWIS PROTECTION PER AMM 20-60-07-913-801; [20] COMPLETED REPAIR INSTALLATION RBL 10 SAT 663 VAPOR BARRIER FED ATTACH ANGLE PER SRM 57-10-10-2R-5

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