Service difficulty report · Channel · Boeing 7377H4

Difficulty date
June 20, 2022
Submitted
July 28, 2022
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
59,624 hours, 35,506 cycles
Part
Channel
Condition
Corroded
Location
Service 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 SERVICE DOOR MOP SEAL AT RBL 54 BS 947; BS 947+5-947+13; BS 967+3; BS 967+4; BS 967+7; BS 967+12; BS 967+15-987+2; BS 987+3-987+6. / [01] VERIFY APPLICABILITY PER REF SRM 53-70-15-0I-1 AND SRM 53-70-15-1A-1<BR><BR><BR>REMOVED CORROSION ON PASSENGER CABIN AFT SERVICE DOOR MOP SEAL AT RBL 54 BS 947; BS 947+5-947+13; BS 967+3; BS 967+4; BS 967+7; BS 967+12; BS 967+15-987+2; BS 987+3-987+6. MATERIAL LOST IS .035'' ORIGINAL MATERIAL IS .080'' L=2 W=1 .THEREFORE FOUND TO BE OUT OF LIMITS PER REF SRM 53-70-15-1A-1;[02] VERIFIED CORRECTIVE ACTIONS #1 AND #2;[03] RECIVED NEW MOP SEAL ITEM 7530246 REQ NUMBERE 723956 LOCATED AND DRILLED NEW MOP SEAL AT RBL 54 BS 897 TO 1016 WL 208.1 ; IAW 737-700 SRM 51-40-05-0G-0 DWG 147A8501 OK TO INTALL.-;[04] VERIFIED CORRECTIVE ACTION 3 OK TO INSTALL;[05] INSTALLED RH MOPSILL IAW SRM 51-40-02 AND IAW DWG#147A8501;[06] RII INSPECTED CORRECTIVE ACTION ITEM 5.;[07] VERIFIED CORRECTIVE ACTION ITEMS COMPLETE AND MEASUREMENT FIELDS; JOB COMPLETE.

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