Service difficulty report · Support · Boeing 7377BD

Difficulty date
September 11, 2021
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N7751A
Make and model
Boeing 7377BD
Aircraft serial
36717
Aircraft time
43,609 hours, 22,223 cycles
Part
Support
Condition
Corroded
Location
Fwd Cargo Bay
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 FLOOR TO SIDEWALL SUPPORT AT FWD CARGO BAY BS500A - BS500D LBL23 WL156. ; / [01] REMOVED CORROSIONON FLOOR TO SIDEWALL SUPPORT AT FWD CARGO BAY BTW BS500A TO BS 500D LBL23 WL 156. MEASURES: L:7.300'; W:0.400'; D:0.010'; ORIGINAL THICKNESS:0.040';MATERIAL LOSS:0.010'; REMAINING THICKNESS:0.030'; IS OUT OF LIMITS. I.A;W; SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2; STEP 4(2). TOOL USED: DEPTH GAGE ID: ATS1225; DUE DATE 07/2021.; [02] VERIFIED CORROSION REMOVAL AND REMAINING THICKNESS IS OUT OF LIMITS PER SRM 53-00-53-1A-2; [03] CORRECTED MEASUREMENTS; [04] THIS CARD WAS ACCOMPLISHED ON TASK CARD # TTG8Q006H6PC; [05] VERIFIED WAS ACCOMPLISHED ON TASK CARD # TTG8Q006H6PC.

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