Service difficulty report · Vapor Barrier · Boeing 7378H4

Difficulty date
November 3, 2024
Submitted
November 26, 2024
Operation
Air carrier
Aircraft
N8655D
Make and model
Boeing 7378H4
Aircraft serial
42529
Aircraft time
33,505 hours, 16,179 cycles
Part
Vapor Barrier
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

L/H VAPOR BARRIER ANGLE CRACKED AT APPROX LBL 8.<[01] REMOVED DAMAGE; FORMED PARTS; ALODINED; PRIMED AND INSTALLED REPAIR PARTS AT VAPOR BARRIER ATTACH ANGLE L/H. STA LBL 5 TO LBL20 APROX. IAW B737-800 SRM 57-10-10-5-2R. ACCOMP. HFEC CUT EDGES; IAW B737 NDT MAN. 51-00-00 PROC.23; PT6. NO CRACK INDICATIONS FOUND. CAP SEALED TANK FASTENERS IAW B737 AMM 51-31-00-390-805.;[02] 02 - INSPECTED PER [SRM 57-10-10-2R-5-B01456 (REPAIR 5 - WING CENTER SECTION REAR SPAR VAPOR BARRIER ATTACH ANGLE REPAIR - PERMANENT)]

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