Service difficulty report · Vapor Barrier · Boeing 7378H4

Difficulty date
August 6, 2024
Submitted
August 28, 2024
Operation
Air carrier
Aircraft
N8646B
Make and model
Boeing 7378H4
Aircraft serial
36935
Aircraft time
33,915 hours, 16,273 cycles
Part
Vapor Barrier
Condition
Cracked
Location
Zoen 100
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

L/H AC BAY STA 663 VAPOR BARRIER UPPER CHORD CRACKED AT LBL 37<[01] MATCH DRILLED AND DEBURRED NEW UPPER CHORD PER SRM 51-40-02/SRM51-10-02.;[02] OK TO INSTALL L/H AC BAY STA 663 VAPOR BARRIER UPPER CHORD.;[03] INSPECTION VERIFIED 'OK TO INSTALL L/H AC BAY STA 663 VAPOR BARRIER UPPER CHORD'.;[04] INSTALLED AND DOMED SEALED FASTENERS COMMON TO FUEL TANK ON UPPER CHORD PER SRM 51-40-02 AND AMM 28-11-00;[05] VERIFIED INSTALLED AND DOMED SEALED FASTENERS COMMON TO FUEL TANK ON UPPER CHORD PER SRM 51-40-02 AND AMM 28-11-00.;[06] INSTALLED NEW L/H AC BAY STA 663 VAPOR BARRIER UPPER CHORD PER SRM 51-40-02.;[07] INSTALLED NEW L/H AC BAY STA 663 VAPOR BARRIER UPPER CHORD PER SRM 51-40-02. (RII) <BR><BR>OK TO DOME SEAL ALL FASTENERS AS REQUIRED;[08] PARTS DATA UPDATE ONLY;[09] INSTALLED NEW L/H AC BAY STA 663 VAPOR BARRIER UPPER CHORD PER SRM 51-40-02/SRM 51-10-02.;[10] 01 - REMOVED AND REPLACED VAPOR BARRIER UPPER CHORD PER [SRM 51-40-02-0G-0-B00069 (GENERAL - FASTENER INSTALLATION AND REMOVAL - AIRFRAME - PERMANENT)];[11] VERIFED TASK COMPLETE

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