Service difficulty report · Channel · Boeing 7377H4

Difficulty date
July 15, 2021
Submitted
August 18, 2021
Operation
Air carrier
Aircraft
N444WN
Make and model
Boeing 7377H4
Aircraft serial
29839
Aircraft time
61,121 hours, 35,983 cycles
Part
Channel
Condition
Corroded
Location
Bs 947-993 Lbl50
Stage of operation
IN
How discovered
V
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 AED MOPSILL BS 947-993 LBL 50 SL 208 ; / [01] REMOVED CORROSION ON MOPSILL BS 983-984 LBL 50 WL 208 PER SRM 51-10-02-0G-0. REMOVED AMOUNT 1X1X .013 ORIGINAL THICKNESS .080. FOUND TO BE OUT OF LIMITS PER SRM 53-70-15-1A-1-A00707. DIAL DEPTH GUAGE ID:ATS1225 07/2022 DUE DATE NEXT CALIBRATION.; [02] VERIFIED; [03] VERIFIED - REMOVED CORROSION ON MOPSILL BS 983-984 LBL 50 WL 208 PER SRM 51-10-02-0G-0. REMOVED AMOUNT 1X1X .013 ORIGINAL THICKNESS .080. FOUND TO BE OUT OF LIMITS PER SRM 53-70-15-1A-1-A00707. DIAL DEPTH GUAGE ID:ATS1225 07/2022 DUE DATE NEXT CALIBRATION.; [04] REMOVED AED MOPSILL PER SRM 51-40-02.; [05] CERTIFIED REMOVAL OF AED MOPSILL PER SRM 51-40-02-0G-0; [06] OK TO INSTALL AED MOPSILL; [07] LOCATED AND DRILL AED MOPSILL PER 51-40-05-0G-0; [08] EDITED MEASUEMENT ITEM 20; [09] VERIFIED CORRECTION ON MEASUREMENTS; [14] ADDED DWG#147A8501; [15] VERIFIED DWG # 147A8501; [16] VERIFIED LOCATE AND DRILL OF AED MOPSILL IAW SRM 51-40-05-0G-0 AND DWG 147A8501<BR>OK TO INSTALL; [17] INSTALLED AED MOPSILL IAW SRM 51-40-02-0G-0 AND DWG 147A8501; [18] REMOVED AND REPLACED AED MOPSILL IAW SRM 51-40-02-0G-0 AND DWG 147A8501;

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