Service difficulty report · Fitting · Boeing 7377H4

Difficulty date
October 19, 2023
Submitted
November 22, 2023
Operation
Air carrier
Aircraft
N231WN
Make and model
Boeing 7377H4
Aircraft serial
32499
Aircraft time
59,061 hours, 35,386 cycles
Part
Fitting
Part number
UNKNOWN
Condition
Cracked
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

RIGHT WING REAR SPAR FIXED T/E LOWER ATTACHED WIGGLE FITTING CRACKE AND SHEARED RIVETS @ ORSS 261 O/B OF FLAP TRACK NO- 6 MKD DOT<[01] REMOVED RIGHT WING REAR SPAR FIXED T/E LOWER ATTACHED WIGGLE FITTING AS PER SRM 51-40-02-0G-0.<BR>LOCATED AND DRILLED NEW LOWER WIGGLE PLATE ASSY AT RIGHT WING REAR SPAR FIXED T/E; O/B FLAP TRACK NO-6 AREA AS PER B737-700 SRM 51-40-05-0G-0.<BR>INSTALLED NEW LOWER WIGGLE PLATE ASSY PER B737-700 SRM 51-40-02-0G-0 AND DWG# 115A2001.<BR>PERFORMED RESISTANT TEST ON REWORKED AREA AS PER REF BAC5117 AND BAC5117-19. TEST FOUND NORMAL.;[02] VERIFIED STEP 1

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