Service difficulty report · Barrier · Boeing 7377BD

Difficulty date
January 2, 2023
Submitted
February 10, 2023
Operation
Air carrier
Aircraft
N7748A
Make and model
Boeing 7377BD
Aircraft serial
36399
Aircraft time
49,386 hours, 25,198 cycles
Part
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

CUSTOMER REQUEST CRACK ON VAPOR BARRIER LOCATED AT STA663 LH SIDE 2022-708435<[01] TOOL USED: CALIPER P/N: 500-172-30; S/N: 15237808; DUE DATE: 12-FEB-23;[02] TOOL USED: HOT BONDER PN: HCS9200B-AV SN: 18175478 DUE DATE: 24/SEP/23;[03] TOOL USED: SCALE P/N:SPX621 S/N:8340225441 DUE DATE:20-JUL-23;[04] TOOL USED: SCALE P/N: 91847; AE-409313; DUE DATE: 06-JUN-23.;[05] TOOL USED HOT BONDER P/N HCS9200B-AV S/N 18196021 DUE DATE 16 JAN 23;[06] TOOL USED SCALE P/N SPX621 S/N 8340225441 DUE DATE 20 JUL 23;[07] REPAIRED VAPOR BARRIER LH SIDE IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNOFFS BELOW.;[08] REPAIRED VAPOR BARRIER LH SIDE IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10.RII COMPLETED

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