Service difficulty report · Panel · Boeing 7377H4

Difficulty date
June 5, 2022
Submitted
July 11, 2022
Operation
Air carrier
Aircraft
N257WN
Make and model
Boeing 7377H4
Aircraft serial
32515
Aircraft time
53,067 hours, 31,572 cycles
Part
Panel
Condition
Debonded
Location
L/H 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 IB MAIN FLAP WEDGE PANEL LOWER SKIN AT LT WING 2022-307300 / [01] TOOL USED; CALIPER PN: 500-464; SN: 15331926; DUE DATE: 28/SEP/22.;[02] TOOL USED; CALIPER PN: 500-197-30; SN: A21143429; DUE DATE: 11/OCT/22.;[03] TOOL USED: AUDIBLE BONDTESTER; P/N: S-3; S/N: 064; DUE DATE: 12-JUL-22;[04] TOOL USED; HOT BONDER PN: HCS9200B-AV; SN: 18185781; DUE DATE: 16/JAN/23.;[05] TOOL USED; POSITECTOR 6000 PN: NS2; SN:138341;DUE DATE: 25/JUN/22.;[06] TOOL USED; HOT BONDER PN: HCS9200B; SN: 16122983; DUE DATE: 16/JAN/23;[07] PERFORMED INTERIM REPAIR ON I/B MAIN FLAP WEDGE PANEL AT LT WING IAW B737-700 SRM 57-53-01-2R-18 REPAIR 18. REQUIRED INSPECTION TAP TEST EVERY 6;875 CYC OR 30 MONTHS. SEE INDIVIDUAL SIGNOFFS BELOW.;[08] TASK COMPLETED RII <BR>PERFORMED INTERIM REPAIR ON I/B MAIN FLAP WEDGE PANEL AT LT WING IAW B737-700 SRM 57-53-01-2R-18 REPAIR 18. REQUIRED INSPECTION TAP TEST EVERY 6;875 CYC OR 30 MONTHS. SEE INDIVIDUAL SIGNOFFS BELOW.

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