Service difficulty report · None · Boeing 7377H4

Difficulty date
August 29, 2022
Submitted
October 10, 2022
Operation
Air carrier
Aircraft
N952WN
Make and model
Boeing 7377H4
Aircraft serial
36667
Aircraft time
39,061 hours, 23,816 cycles
Part
None
Condition
Cracked
Location
Center 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

BS 663 LOWER COMPOSITE BULKHEAD IS CRACKED AT RBL 33 WL 155. / [01] IDENTIFIED PART AND MATERIAL IAW SRM 57-10-10-0I-2 FIGURES 1-2; TABLE 2; ITEM [4]. FOUND DAMAGE TO BE OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 57-10-10-1A-2 PAR 4.D (1) (A) 1). PERMANENT REPAIR WILL BE ACCOMPLISHED IAW SRM 51-70-04-2R-10 AS DIRECTED PER SRM 57-10-10-2R-2 PAR 1.C.;[02] DETERMINED EXTENT OF DAMAGE VIA VISUAL METHOD. <BR>REMOVED DAMAGED AND CONTAMINATED FIBERGLASS PLIES FROM DISCREPANT AREA. PREPARED REPAIR AREA FOR REPAIR AND CLEANED. <BR>WORK ACCOMPLISHED IAW SRM 51-70-04-2R-10 PAR 4.A-C.;[03] VALIDATED REPAIR PER SRM 51-70-04-2R-10;[04] UPDATED MEASUREMENTS;[05] VERIFIED CORRECTIVE ACTIONS 1-4<BR><BR>VERIFIED MEASUREMENTS TABLE<BR><BR>VALIDATED REPAIR PER SRM 51-70-04-2R-10;[06] FABRICATED REPAIR PLIES USING FIBERGLASS BMS 9-3; TYPE H2; STYLE 1581; LOT# 1493221-1. <BR>WORK ACCOMPLISHED IAW SRM 51-70-04-2R-10 PAR 4.D.<BR>OK TO INSTALL REPAIR PLIES.

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