Service difficulty report · Barrier · Boeing 7377Q8

Difficulty date
March 1, 2023
Submitted
March 24, 2023
Operation
Air carrier
Aircraft
N7856A
Make and model
Boeing 7377Q8
Aircraft serial
30630
Aircraft time
59,993 hours, 39,891 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 2023-164955<[01] TOOL USED: CALIPER P/N: 500-193-30; S/N: 0000288; DUE DATE: 17-DEC-23.;[02] TOOL USED: HOT BONDER P/N:HCS9200B-AV S/N:18185781 DUE DATE: 24-JAN-24;[03] TOOL USED: SCALE P/N:SPX621 S/N:8340225441 DUE DATE: 20-JUL-23.;[04] REPAIRED VAPOR BARRIER LOCATED AT STA663 LH SIDE IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNOFFS BELOW.;[05] REPAIRED VAPOR BARRIER LOCATED AT STA663 LH SIDE IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10 RII COMPLETED

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