Service difficulty report · Angle · Boeing 7377H4

Difficulty date
July 29, 2021
Submitted
September 7, 2021
Operation
Air carrier
Aircraft
N442WN
Make and model
Boeing 7377H4
Aircraft serial
32459
Aircraft time
60,608 hours, 35,906 cycles
Part
Angle
Condition
Cracked
Location
Lt Wing Te
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

CRACK TRAILING EDGE ANGLE LOCATED ON REAR SPAR ORSS 267 AT LT WING (1 EA) ; 2021-341314 / [01] REMOVED ANGLE LOCATED TRAILING EDGE ON REAR SPAR ORSS 267 AT LT WING IAW B737-700 SRM 51-40-02 DUE TO NOT FOUND ALLOWABLE DAMAGE LIMITS IN SRM B737-700. ANGLE MUST BE REPLACED AND PERFORMED VISUAL INSPECTION AND NOT FOUND MORE DAMAGE. THE MEASURES OF CRACK IS: 0.595 TOOL USED: CALIPER P/N: DIGITAL 150 S/N:AE-412610 DUE DATE: 21/MAY/22; [02] STEP 1 VERIFIED; [03] DRILLED NEW HOLE ON ANGLE LOCATED TRAILING EDGE ON REAR SPAR ORSS 267 AT LT WING IAW B737-700 SRM 51-40-05 AND AND APPLIED PROTECTIVE TREATMENTS ON NEW ANGLE SRM 51-20-01; [04] OK TO INSTALL NEW ANGLE AND FASTENERS LOCATED TRAILING EDGE ON REAR SPAR ORSS 267 AT LT WING; [05] STEP 3 AND 4 COMPLETED; [06] INSTALLED NEW ANGLE AND FASTENERS LOCATED TRAILING EDGE ON REAR SPAR ORSS 267 AT LT WING IAW B737-700 SRM 51-40-02; [07] STEP 6 COMPLETED; [08] REPLACED TRAILING EDGE ANGLE LOCATED ON REAR SPAR ORSS 267 AT LT WING IAW SRM 51-10-02-0G-0 ITEM 9; [09] TASK COMPLETED

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