Service difficulty report · Channel · Boeing 7377H4

Difficulty date
July 22, 2022
Submitted
August 22, 2022
Operation
Air carrier
Aircraft
N490WN
Make and model
Boeing 7377H4
Aircraft serial
32476
Aircraft time
59,880 hours, 35,571 cycles
Part
Channel
Condition
Corroded
Location
Cabin Floor
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

AFT R/H MOPSILL HAS CORROSION BS 957-986; RBL 47-50; WL 208 / [01] REMOVED CORROSION ON PASSENGER CABIN MOP SEAL AT RBL 47-50 BS 957- BS 986 W.L 208.1 P/N 147A8540-8;AREA OT=0.080;RT=0.068 ;L=30.000'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 AFT SERVICE DOOR MOP SILL AT RBL 47-50 BS 957- BS 986 W.L 208.1 P/N 147A8540-8; I.A.W SRM 51-40-02-0G-0;[03] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.;[04] RECIVED NEW MOP SEAL ITEM 7530246; LOCATED AND DRILLED NEW MOP SEAL AT RBL 47-50 BS 897 TO 1016 W.L 208.1 ; IAW 737-700 SRM 51-40-05-0G-0 DWG 147A8501 OK TO INTALL.;[05] VERIFIED CORECTIVE ACTION 4.;[06] INSTALLED NEW R/H MOPSILL AT BS 910 TO 1016; LBL 47-50 WL 208 IAW SRM 51-40-02-0G-0; DWG 147A8501; 147A0000 CARD IS COMPLETED;[07] CORRECTED ITEM 6 : INSTALLED NEW R/H MOPSILL AT BS 910 TO 1016; LBL 47-50 WL 208 IAW SRM 51-40-02-0G-0; DWG 147A8501 REV:C 147A0000 CARD IS COMPLETED;[08] UPDATED PART USED;[09] VERIFIED CORRECTIVE ACTION #7 AND MEASUREMENT FIELD;[10] VERIFIED CORRECTIVE ACTION #7 AND MEASUREMENT FIELD

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