Service difficulty report · Vapor Barrier · Boeing 7378H4

Difficulty date
April 13, 2026
Submitted
May 6, 2026
Operation
Air carrier
Aircraft
N8531Q
Make and model
Boeing 7378H4
Aircraft serial
63575
Aircraft time
29,638 hours, 14,907 cycles
Part
Vapor Barrier
Condition
Damaged
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

BS 663 VAPOR BARRIER WEB RBL 28 HOLE OUT OF ROUND. OVERSIZED TO A CLEAN HOLE PER SRM 51-40-05 & SRM 51-10-02. C/W HOLE PROBE INSP. PER NDT MANUAL PART 6 51-00-00 PROCEDURE 16. NO DEFECTS NOTED. INSTALLATION OF FASTENER C/W ON FAULT TTG8Q01BJJ5U.

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