Service difficulty report · Flap · Boeing 7377H4

Difficulty date
December 9, 2024
Submitted
January 28, 2025
Operation
Air carrier
Aircraft
N279WN
Make and model
Boeing 7377H4
Aircraft serial
32532
Aircraft time
58,090 hours, 35,145 cycles
Part
Flap
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 AT LT WING 2024-758672<[01] TOOL USED CALIPER PN: 500-196-30; SN: A23325649; DUE DATE: 31/DEC/24.;[02] TOOL USED ON ITEM 3: ULTRASONIC FLAW DETECTOR; P/N: EPOCH 600; S/N: 120357005; DUE DATE: 10-JUN-25;[03] TOOL USED POSITECTOR PN: DF-631235; SN: AE-406428; DUE DATE: 26/AUG/25.<BR>HOT BONDER PN: HCS9200B-AV; SN: 18185733; DUE DATE: 25/JAN/25;[04] TOOL USED POSITECTOR PN: NS2; SN: 110098; DUE DATE: 05/SEP/25;[05] TOOL USED ON STEP 18 TOOL USED: AUDIBLE BOND TESTER P/N: S-3; S/N: 064; DUE DATE: 27-AUG-25;[06] REPAIRED OB AFT FLAP LOWER SURFACE AT LT WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16. REFER TO INDIVIDUALS SIGNOFFS BELOW;[07] JOB COMPLETED <BR>ITEM RII.

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