Service difficulty report · Vapor Barrier · Boeing 7378H4

Difficulty date
September 7, 2023
Submitted
October 12, 2023
Operation
Air carrier
Aircraft
N8311Q
Make and model
Boeing 7378H4
Aircraft serial
38808
Aircraft time
37,275 hours, 17,282 cycles
Part
Vapor Barrier
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

CUSTOMER REQUEST CRACK DOUBLER LOCATED ON VAPOR BARRIER BS 663.75 AT RBL 6.15 TO RBL 31.83 MAIN WHEEL WELL 2023-550188<[01] REPLACED DOUBLER LOCATED ON VAPOR BARRIER BS 663.75 AT RBL 6.15 TO RBL 31.83 MAIN WHEEL WELL B737-800 SRM 51-40-02 AND DWG 11A1000 SHEET 47 REV A SEE INDIVIDUAL SIGN OFF BELOW.;[02] REPLACED DOUBLER LOCATED ON VAPOR BARRIER BS 663.75 AT RBL 6.15 TO RBL 31.83 MAIN WHEEL WELL B737-800 SRM 51-40-02 AND DWG 11A1000 SHEET 47 REV A SEE INDIVIDUAL SIGN OFF BELOW<BR>RII CERTIFIED

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