Service difficulty report · Panel · Boeing 7377BD

Difficulty date
June 21, 2023
Submitted
July 28, 2023
Operation
Air carrier
Aircraft
N7721E
Make and model
Boeing 7377BD
Aircraft serial
34479
Aircraft time
56,723 hours, 30,056 cycles
Part
Panel
Part number
UNKNOWN
Condition
Debonded
Location
Zn 600 Right Win
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 IB MAIN FLAP WEDGE PANEL LOWER SURFACE AT RT WING 2023-404776<[01] TOOL USED: CALIPER P/N:500-464 S/N:B17030933 DUE DATE: 17-OCT-23.;[02] TOOL USED: ULTRASONIC FLAW DETECTOR; P/N: EPOCH 650; S/N: 190984811 DUE DATE: 24-JAN-24;[03] TOOL USED: HOT BONDER P/N:HCS9200B-AV S/N:18175478 DUE DATE: 24-SEP-23;[04] TOOL USED: COATING THICKNESS GAGE: P/N:POSITECTOR 6000 NS3 S/N: 767584 DUE DATE: 02-AUG-23.;[05] PERFORMED INTERIM REPAIR ON I/B MAIN FLAP WEDGE PANEL LOWER SURFACE AT RT WING IAW B737-700 SRM 57-53-01-2R-18 REPAIR 18 AND REQUIRED TAP TEST INSPECTION EVERY 6;875 CYCLES OR 30 MONTHS. SEE INDIVIDUAL SIGNOFFS BELOW.;[06] TASK COMPLETED

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