Service difficulty report · Skin · Boeing 7378H4

Difficulty date
January 21, 2025
Submitted
February 26, 2025
Operation
Air carrier
Aircraft
N8612K
Make and model
Boeing 7378H4
Aircraft serial
36973
Aircraft time
40,173 hours, 19,173 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 OB AFT FLAP LOWER SURFACE AT LT WING. 2025-81322<[01] TOOL USED ON STEP 3 ULTRASONIC FLAW DETECTOR P/N: EPOCH 650; S/N: 190776902; CAL DUE DATE: 15-OCT-25;[02] TOOL USED: HOTBONDER: P/N: HCS9200B S/N: 16122983 DUE DATE: 15-FEB-25;[03] ON STEP 15; BONDING TEST EQUIPMENT P/N: BONDMASTER 600M; S/N: 220052310; DUE DATE: 04-DEC-25.;[04] REPAIRED OB AFT FLAP LOWER SURFACE AT LT WING IAW B737-800 SRM 57-53-01-2R-16 REPAIR 16. SEE INDIVIDUAL SIGNSOFF BELOW.;[05] TASK COMPLETED. RII COMPLETED.

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