Service difficulty report · Flap · Boeing 7377H4

Difficulty date
October 4, 2022
Submitted
November 10, 2022
Operation
Air carrier
Aircraft
N208WN
Make and model
Boeing 7377H4
Aircraft serial
29856
Aircraft time
55,461 hours, 32,924 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 OB AFT FLAP LOWER SURFACE I/B SIDE AT LT WING 2022-561728 / [01] TOOL USED CALIPER P/N 500-197-30; S/N A16165044; DUE DATE: 01-FEB-23.;[02] TOOL USED: AUDIBLE BOND TESTER P/N:S-3; S/N:064 CAL DUE DATE:19-JUL.-23;[03] TOOL USED HOT BONDER PN: HCS9200B-AV; SN: 18185733; D/D: 16/JAN/23<BR><BR>POSITECTOR PN: N52; SN: 138341; D/D: 06/JUL/23.;[04] TOOL USED:CALIPER P/N:500-197-30 S/N:A18135081 DUE DATE: 19-JUL-23;[05] EQUIPMENT USED: AUDIBLE BOND TESTER P/N:S-3; S/N:064 CAL DUE DATE:19-JUL.-23;[06] REPAIRED UPPER AND LOWER SKIN I/B SIDE ON O/B AFT FLAP LH WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16 . SEE INDIVIDUAL SIGNOFFS BELOW.;[07] CORRECTIVE ACTION 6 ENTER BY ERROR<BR><BR>CORRECT CORRECTIVE ACTION IS:PERFORMED TIME-LIMITED REPAIR ON UPPER AND LOWER SKIN I/B SIDE OF O/B AFT FLAP LH WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16 . SEE INDIVIDUAL SIGNOFFS BELOW.;[08] CORRECT CORRECTIVE ACTION 7 ENTER BY ERRROR: <BR><BR>CORRECT CORRECTIVE ACTION IS: PERFORMED INTERIM REPAIR ON UPPER AND LOWER SKIN I/B SIDE OF O/B AFT FLAP LH WING IAW B737-700 SRM 57-53-01-2R-16 REPAIR 16 . SEE INDIVIDUAL SIGNOFFS BELOW. REPAIR REQUIRES TAP TEST INSPECTION EVERY 6;875 FLIGHT CYCLES OR 30 MONTHS WHICHEVER COMES FIRTS.;[09] TASK COMPLETED.RII

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