Service difficulty report · Channel · Boeing 7377H4

Difficulty date
June 7, 2023
Submitted
July 12, 2023
Operation
Air carrier
Aircraft
N963WN
Make and model
Boeing 7377H4
Aircraft serial
36676
Aircraft time
38,123 hours, 23,431 cycles
Part
Channel
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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

CRACKED FED MOP SILL BS294+9 LBL54 WL208. MARKED<[01] REMOVED FED MOPSILL IAW SRM 51-40-02;[02] RECIVED NEW MOP SILL ITEM LOT 1530489-2 LOCATED AND DRILLED NEW MOP SILL BS 270 TO BS 360; IAW 737-700 SRM 51-40-05-0G-0 DWG 141A8110. OK TO INSTALL;[03] REJECTION OF OKAY TO INSTALL; AREA COVERED WITH FOD. STEP CREATED TO CLEAN AREA.;[04] APLICABILITY IDENTIFICATION SRM 53-10-15-0I-1 ALLOWABLE DAMAGE 53-10-15-1A-1;[05] CORECTION STEP 1;[06] VERIFIED STEP 1 COMPLETED.<BR>REJECTION CRITERIA HAS BEEN SATISFIED; OKAY TO INSTALL NEW MOP SILL GIVEN.;[07] OK TO INSTALL. REJECTION CRITERIA HAS BEEN SATISFIED;[08] INSTALLED NEW MOP SILL BS 270 TO BS 360 LBL 54 WL 208 . IAW 737-700 SRM 51-40-02-0G-0; DWG 141A8110 . ALL REQUIRED MAINTENANCE ACTIONS ARE COMPLETE=REQUEST FINAL BUYOFF;[09] INSPECTED AND VERIFIED CORRECTIVE ACTIONS. JOB COMPLETE.

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