Service difficulty report · Vapor Barrier · Boeing 7377BD

Difficulty date
October 8, 2021
Submitted
October 12, 2021
Operation
Air carrier
Aircraft
N7748A
Make and model
Boeing 7377BD
Aircraft serial
36399
Aircraft time
45,576 hours, 23,036 cycles
Part
Vapor Barrier
Condition
Cracked
Location
L/H Mlg W/W
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

FOUND 14' DIAGONAL CRACK IN VAPOR BARRIER LEFT W/W; FWD SPAR. ; FOUND 14' DIAGONAL CRACK IN VAPOR BARRIER LEFT WW; FWD SPAR. LBL 33.5; 4.5 DOWN FROM UPPER WEB TO LBL38..5 AND 5.25' UP FROM BOTTOM. / [01] PERFORMED SRM 57-10-10-1A-2 PARAGRAPH 2(C)(4)(A) STOP DRILL AND SEAL - DVI EVERY 1200 CYC - INTERIM REPAIR

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