Service difficulty report · Skin · Boeing 7377H4

Difficulty date
September 20, 2024
Submitted
October 30, 2024
Operation
Air carrier
Aircraft
N499WN
Make and model
Boeing 7377H4
Aircraft serial
32481
Aircraft time
65,728 hours, 39,208 cycles
Part
Skin
Condition
Debonded
Location
Zone 500 Flap
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 - DEBONDED EXTERNAL SKIN OB AFT FLAP UPPER SURFACE IB AREA AT LT WING 2024-588315<[01] TOOL USED CALIPER PN: 500-197-30; SN: A18229508; DUE DATE: 14/JAN/25.;[02] TOOL USED CALIPER P/N 500-197-30 S/N B20189443 DUE DATE 06/MAR/25;[03] TOOL USED: P/N: BONDMASTER 600M; S/N: 230106912; DUE DATE: 09-JAN-25.;[04] TOOL USED HOTBONDER P/N:HCS9200B S/N: 15102320 DUE DATE: 25-JAN-25.;[05] TOOL USED ULTRASONIC FLAW DETECTOR PN:EPOCH 6LT; SN:230529908; DUE DATE:15-AUG-25.;[06] REPAIRED OB AFT FLAP UPPER SURFACE IB AREA AT LT WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16 AND THE REPAIR REQUIRED TAP TEST INSPECTIONS EVERY 6;875 CYC OR 30 MONTHS. TOTAL REPAIR AREA IS: 238.87 SI. (L=16.25? W=8.25?.) SEE INDIVIDUAL SIGNOFF BELOW.;[07] Ï¿½TEM RII <BR>JOB COMPLETED.

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