Service difficulty report · Channel · Boeing 7377H4

Difficulty date
June 20, 2022
Submitted
July 27, 2022
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
59,624 hours, 35,506 cycles
Part
Channel
Part number
147A85408
Condition
Corroded
Location
Aft Entry Door
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

CORROSION ON PASSENGER CABIN AFT ENTRY DOOR MOP SEAL AT LBL 48 BS 967+13; 967+17-987+8; BS 987+10. / [01] REMOVED ON PASSENGER CABIN MOP SEAL AT RBL 53 BS 947+5-987+7 W.L 208.1 P/N 147A8540-8;AREA OT=0.080;RT=0.068 ;L=43.200'W=1.200'' ;X=0.012;FOUND TO BE OUT LIMITS I.A.W SRM 53-70-15-1A-1FOR ALLOWABLE DAMAGE AND SRM 53-70-15-0I-1 FOR IDENTIFICATION AND IT WILL REPAIRABLE BY REPLACEMENT I.A.W 51-10-02-0G PAR 9C . <BR>TOOL USED ID ATS1671; S/N:65093024; DATE: 01/2023;[02] REMOVED ON PASSENGER CABIN MOP SEAL AT LBL 48 BS 967+13; 967+17-987+8; BS 987+10 W.L 208.1 P/N 147A8540-8;AREA OT=0.080;RT=0.068 ;L=43.200'W=1.200'' ;X=0.012;FOUND TO BE OUT LIMITS I.A.W SRM 53-70-15-1A-1FOR ALLOWABLE DAMAGE AND SRM 53-70-15-0I-1 FOR IDENTIFICATION AND IT WILL REPAIRABLE BY REPLACEMENT I.A.W 51-10-02-0G PAR 9C .<BR>TOOL USED ID ATS1671; S/N:65093024; DATE: 01/2023;[03] VERIFIED CORRECTIVE ACTIONS #1 AND #2;[04] CORRECTION P/N 147A8540-7;[05] VERIFIED CORRECTIVE ACTION #4;[06] RECIVED NEW MOP SEAL ITEM 147A8540-7 LOT1472017-1 LOCATED AND DRILLED NEW MOP SEAL ATLBL 48 BS 897 TO 1016 WL 208.1 ; IAW 737-700 SRM 51-40-05-0G-0 DWG 147A8540 OK TO INTALL.-;[07] VERIFIED CORRECTIVE ACTION STEP 6. VERIFIED OK TO INSTALL.;[08] INSTALLED NEW MOP SEAL AT LBL 48 BS 897 TO 1016 WL 208.1 . IAW 773-700 SRM 51-40-02-0G-0; DWG 147A8501.- .;[09] VERIFIED MOPSILL REPLACEMENT INSTALLATION AND CORRECTIVE ACTION 8;[10] VERIFIED MEASUREMENT SECTION;[11] VERIFIED JOB COMPLETE

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