Service difficulty report · Vapor Barrier · Boeing 7378H4

Difficulty date
November 14, 2024
Submitted
December 13, 2024
Operation
Air carrier
Aircraft
N8523W
Make and model
Boeing 7378H4
Aircraft serial
36969
Aircraft time
26,231 hours, 13,036 cycles
Part
Vapor Barrier
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
V
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

RIGHT A/C BAY STA 663 ANGLE TO VAPOR BARRIER 2 CRACKS AT FASTENER HOLES. REMOVED DAMAGED R/H VAPOR BARRIER ANGLE FOR REPLACEMENT PER SRM 51-40-02. ACCOMPLISHED HFEC HOLE PROBE INSPECTION OF REPAIR AREA PER NDT PART 6 51-00-00 PROC. 16 NO DEFECTS NOTED. DRILLED NEW ANGLE PER SRM 51-40-05. MATCH REPLACEMENT ANGLE OFF OF TEMPLETE AND TREATED AND PRIMED SRM 51-40-02 AND SRM 51-20-01 AND SRM 51-40-05. INSTALLED RH VAPOR BARRIER ANGLE FASTNERS INSIDE FUEL CELL AND CAP SEALED RH FUEL TANK FASTENERS INSIDE FUEL CELL. PER SRM 51-40-02. VERIFIED R/H VAPOR BARRIER ANGLE FASTNERS INSTALLATION THROUGH FUEL CELL AND CAP SEALED ALL FASTENERS IN FUEL CELL. INSTALLED FASTENER ON RH VAPOR BARRIER ANGLE ON VERTICAL SIDE OF ANGLE ONLY PER SRM 51-40-02. INSTALLED FASTENER ON RH VAPOR BARRIER ANGLE ON HORIZONTAL SIDE FROM STA RBL 7 -RBL 48 PER SRM 51-40-02 REMOVED AND REPLACED ANGLE PER SRM 51-40-02.

More about the Boeing 737-8H4