Service difficulty report · Plate · 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
Plate
Condition
Damaged
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 CORRUGATED PLATE TRAILING EDGE LOCATED ON REAR SPAR IRSS 216 AT LT WING (1 EA) ; 2021-341300 / [01] REMOVED CORRUGATED PLATE TRAILING EDGE LOCATED ON REAR SPAR IRSS 216 AT LT WING DUE TO NOT FOUND ALLOWABLE DAMAGE LIMITS IN SRM B737-700. IAW B737-700 SRM 51-40-02. MEASURES OF CRACK IS L=1.723 TOOL USED CALIPER PN:DIGITAL 150; SN: AE-412610; DUE DATE: 21/MAY/22; [02] PERFORMED VISUAL INSPECTION ON ADJACENT AREA AND NOT FOUND MORE DAMAGE AND OBTAINED OK TO INSTALL NEW CORRUGATED PLATE AND FASTENERS ON TRAILING EDGE LOCATED ON REAR SPAR IRSS 216 AT LT WING; [03] OK TO INSTALL; [04] INSTALLED NEW CORRUGATED PLATE AND FASTENERS ON TRAILING EDGE LOCATED ON REAR SPAR IRSS 216 AT LT WING IAW B737-700 SRM 51-40-02 AND DWG #115A2001 SHEET 30 REV A.; [05] REPLACED CORRUGATED PLATE ON TRAILING EDGE LOCATED ON REAR SPAR IRSS 216 AT LT WING IAW B737-700 SRM 51-40-02 AND SRM 51-10-02 PARAGRAPH 9 AND DWG #115A2001 SHEET 30 REV A.; [06] JOB COMPLETED

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