Service difficulty report · Flap · Boeing 7377H4

Difficulty date
October 21, 2024
Submitted
December 2, 2024
Operation
Air carrier
Aircraft
N201LV
Make and model
Boeing 7377H4
Aircraft serial
29854
Aircraft time
65,666 hours, 39,246 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 2024-671984<[01] TOOL USED: CALIPER P/N: 500-197-30 S/N: B23316997; DUE DATE: 14-JAN-25.;[02] TOOL USED: ULTRASONIC FLAW DETECTOR P/N: EPOCH 650; S/N: 190984811; CAL DUE DATE: 11-JAN-25;[03] TOOL USED POSITECTOR P/N: NS2 S/N: 110098 DUE DATE: 05 SEP 25; HOT BONDER P/N: HCS9200B-AV S/N: 18175478 DUE DATE: 25 JAN 25.;[04] TOOL USED: HOTBONDER: P/N:HCS9200B-AV S/N:18175478 DUE DATE:25-JAN-25;[05] TOOL USED: ULTRASONIC FLAW DETECTOR P/N: EPOCH 650; S/N: 190984811; CAL DUE DATE: 11-JAN-25;[06] PERFORMED INTERIM REPAIR AT O/B AFT FLAP LOWER SURFACE AT LT WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16. AND THE REPAIR REQUIRED TAP TEST INSPECTION EVERY 6;875 CYCLES OR 30 MONTHS. WHICHEVER COMES FIRST. SEE INDIVIDUAL SIGNOFF BELOW.;[07] PERFORMED INTERIM REPAIR AT O/B AFT FLAP LOWER SURFACE AT LT WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16. AND THE REPAIR REQUIRED TAP TEST INSPECTION EVERY 6;875 CYCLES OR 30 MONTHS. WHICHEVER COMES FIRST. SEE INDIVIDUAL SIGNOFF BELOW. RII COMPLETED

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