Service difficulty report · Flap · Boeing 7377H4

Difficulty date
October 5, 2023
Submitted
November 8, 2023
Operation
Air carrier
Aircraft
N909WN
Make and model
Boeing 7377H4
Aircraft serial
32458
Aircraft time
50,978 hours, 30,876 cycles
Part
Flap
Part number
UNKNOWN
Condition
Debonded
Location
Zn 500 Left Wing
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 - DEBONDED OB AFT FLAP LOWER SURFACE AT LT WING 2023-635173<[01] TOOL USED: CALIPER P/N: 500-464 S/N: B17030933 DUE DATE: 17-OCT-23.;[02] TOOL USED: ULTRASONIC EQUIPMENT; P/N: BONDMASTER 600M; S/N: 220052310; DUE DATE: 31 OCT 23.;[03] TOOL USED HOT BONDER P/N: HCS9200-AV; S/N: 18185733; DUE DATE: 23-JAN-24; POSITECTOR P/N: NS2; S/N: 138341; DUE DATE: 25-JUL-24.;[04] TOOL USED CALIPER P/N: 500-197-30; B20189527; DUE DATE: 26-DEC-23.;[05] TOOL USED: ULTRASONIC EQUIPMENT; P/N: BONDMASTER 600M; S/N: 220052310; DUE DATE: 31 OCT 23.;[06] TOOL USED SCALE P/N: SPX621 S/N: 8340225484 DUE DATE: 15-AUG-24.;[07] REPAIRED OB AFT FLAP LOWER SURFACE AT LT WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16 SEE INDIVIDUAL SIGNOFFS BELOW;[08] REPAIRED OB AFT FLAP LOWER SURFACE AT LT WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16. TASK COMPLETED. RII

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