Service difficulty report · Vapor Barrier · Boeing 7377H4
FAA SDR system
- Difficulty date
- March 4, 2024
- Submitted
- March 20, 2024
- Operation
- Air carrier
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29831
- Aircraft time
- 72,191 hours, 42,823 cycles
- Part
- Vapor Barrier
- Part number
- UNKNOWN
- Condition
- Cracked
- Location
- Bs 663
- 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
CRACK WING CENTER SECTION REAR SPAR BS 663 VAPOR BARRIER (WHEEL WELL FWD BULKHEAD) LEFT HAND WHELL WELL; BEHIND HYDRAULIC A FILTER. REF: TTG8Q00QXPJY<[01] VERIFIED STEPS 2;3 COMPLETE.;[02] STOP DRILLED BOTH ENDS OF CRACK AND INSTALLED INTERIM REPAIR OVER CRACK ON L/H BS 663 VAPOR BARRIER LBL 37 USING BMS 9-3; STYLE 1581; LOT# 1550806-1 IAW SRM 57-10-10-2R-2;[03] VERIFIED CORRETIVE ACTION 2