Service difficulty report · Flap · Boeing 7377H4

Difficulty date
August 10, 2023
Submitted
September 1, 2023
Operation
Air carrier
Aircraft
N410WN
Make and model
Boeing 7377H4
Aircraft serial
27897
Aircraft time
72,548 hours, 42,915 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 EXTERNAL SKIN OB AFT FLAP LOWER SURFACE IB AREA AT LT WING 2023-508262<[01] TOOL USED: CALIPER P/N:500-197-30 S/N:B20189416 DUE DATE: 19-DEC-23.;[02] TOOL USED BOND TESTING UNIT PN: BONDMASTER 600M; SN: 220052310; DUE DATE: 31 OCT 23.;[03] TOOL USED HOTBONDER P/N: HCS9200B S/N: 15102320 DUE DATE: 22-JAN-24.;[04] TOOL USED: HOTBONDER P/N: HCS9200B-AV S/N:18185781 DUE DATE: 24-JAN-24; POSITECTOR P/N: NS2 S/N: 138341 DUE DATE: 25-JUL-24.;[05] TOOL USED: CALIPER P/N: 500-197-30 S/N: B20189527 DUE DATE: 26-DEC-23.;[06] TOOL USED BOND TESTING UNIT PN: BONDMASTER 600M; SN: 220052310; DUE DATE: 31 OCT 23;[07] TOOL USED SCALE P/N: 91847 S/N: AE-409313 DUE DATE: 13-JUN-24.;[08] REPAIRED O/B AFT FLAP UPPER AND LOWER SURFACE IB AREA AT LT WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16. SEE INDIVIDUAL SIGNOFFS BELOW.;[09] REPAIRED O/B AFT FLAP UPPER AND LOWER SURFACE IB AREA AT LT WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16. SEE INDIVIDUAL SIGNOFFS BELOW. COMPLETED TASK.

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