Service difficulty report · Barrier · Boeing 7377BD

Difficulty date
September 12, 2022
Submitted
September 13, 2022
Operation
Air carrier
Aircraft
N7743B
Make and model
Boeing 7377BD
Aircraft serial
36718
Aircraft time
45,939 hours, 23,673 cycles
Part
Barrier
Condition
Cracked
Location
Center Wing
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

RIGHT HAND WHEEL WELL FWD BULKHEAD VAPOR BARRIER CRACKED AT RBL 31.83. CRACK MEASURES 23 LONG AND EXTENDS FROM THE UPPER TO THE LOWER EDGES. MOST OF CRACK IS ONLY VISIBLE FROM THE AC BAY SIDE OF THE VAPOR BARRIER. / [01] PREPPED SURFACE; APPLIED AND CURED REPAIR PLIES ON LOWER 8' SECTION OF CRACK PER SRM 57-10-10-1A-2 AND SRM 51-70-04-2R-10.;[02] ACCOMPLISHED INTERIM REPAIR OF REMAINING CRACK LENGTH IAW SRM 57-10-10-1A-2.;[03] ACCOMPLISHED REPAIR IAW SRM 57-10-10-1A-2 AND SRM 51-70-04-2R-10.;[04] INSPECTION C/W TASK CARD

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