Service difficulty report · Bulkhead Web · Boeing 7377BD

Difficulty date
December 14, 2022
Submitted
January 26, 2023
Operation
Air carrier
Aircraft
N7713A
Make and model
Boeing 7377BD
Aircraft serial
33919
Aircraft time
57,380 hours, 30,141 cycles
Part
Bulkhead Web
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

LOWER 663 BULKHEAD VAPOR BARRIER IS CRACKED AT RBL32; WL161. REMOVED LOWER BULKHEAD VAPOR BARRIER R/H BS 663 FROM RBL 5 TO RBL 65 IAW SRM 51-40-02-0G-0. FOUND TO BE OF LIMITS. FABRICATED BS 663 R/H VAPOR BARRIER IAW DRAWING 111A1151. LOCATED AND DRILED NEW VAPOR BARRIER RT BS 663 FROM RBL 5 TO RBL 65 IAW SRM 51-40-05-0G-0 DWG 111A1001. INSTALLED VAPOR BARRIER RT BS-663 RBL 5 TO RBL 65 IAW SRM 51-40-02-0G-0 AND DWG: 111A1000 AND 111A1001. APPLIED CAP-SEAL ON FASTENERS AFT SIDE OF VAPOR BARRIER IAW AMM 51-31-00-390-805. RT BS 663 LOWER BULKHEAD VAPOR BARRIER WAS FABRICATED IAW DRAWING 111A1151-4.

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