Service difficulty report · Vapor Barrier · Boeing 73771B

Difficulty date
September 11, 2024
Submitted
October 23, 2024
Operation
Air carrier
Aircraft
N7854B
Make and model
Boeing 73771B
Aircraft serial
29372
Aircraft time
51,205 hours, 33,957 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

(CUSTOMER REQUEST) CRACK ON VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN LBL 31.83 TO LBL 5.64 2024-572609 (CUSTOMER REQUEST) CRACK ON VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN LBL 31.83 TO LBL 5.64 LH SIDE WHEEL WELL COMPARTMENT<[01] TOOL USED HOT BONDER P/N: HCS9200B-AV; S/N: 18196126; DUE DATE: 03-APR-25.;[02] TOOL USED: HOTBONDER: P/N:HCS9200B-AV SN:18196126 DUE DATE:03/APR/25;[03] TOOL USED ON STEP 12 UT EQUIPMENT P/N: EPOCH 650; S/N: 190776902; CAL DUE DATE: 04-OCT-24;[04] REPAIRED VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN LBL 31.83 TO LBL 5.64 IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. TOOL USED CALIPER P/N: 500-197-30; S/N: A193117217; DUE DATE: 16/MAY/25; SCALE P/N: CR5200; S/N: 8342514597; DUE DATE: 28-FEB-25. SEE INDIVIDUAL SIGNOFF BELOW.;[05] REPAIRED VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN LBL 31.83 TO LBL 5.64 IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. TOOL USED CALIPER P/N: 500-197-30; S/N: A193117217; DUE DATE: 16/MAY/25; SCALE P/N: CR5200; S/N: 8342514597; DUE DATE: 28-FEB-25. SEE INDIVIDUAL SIGNOFF BELOW. RII ACCOMPLISHED

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