Service difficulty report · Cargo Track · Boeing 7377H4

Difficulty date
May 21, 2021
Submitted
June 28, 2021
Operation
Air carrier
Aircraft
N207WN
Make and model
Boeing 7377H4
Aircraft serial
34012
Aircraft time
52,378 hours, 31,227 cycles
Part
Cargo Track
Condition
Corroded
Location
Bs 887 Rbl 8
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 CARGO BAY FLOOR TRACK BS887+16 RBL8 WL164 HAS CORROSION ; / [01] REMOVED CORROSION ON AFT CARGO BAY FLOOR TRACK B.S 887+16 RBL8 WL 164 MAX MATERIAL LOSS L=2.7 ;W=0.9 ; D=0.015 FOUND TO BE OF OUT LIMITS IAW SRM 53-00-53-1A-2 STEP 4A(2)(A) FIG 103 TOOL USED ID:ATS1672 S/N 65092939 DUE: 03/2022; [02] VERIFIED DAMAGE REMOVAL OUT OF LIMITS; [03] REMOVED ON AFT CARGO BAY FLOOR TRACK B.S 887 TO B.S 947 RBL 8 WL 164 IAW SRM 51-40-02; [04] FABRICATED ON AFT CARGO BAY FLOOR TRACK B.S 887 TO B.S 947 RBL 8 WL 164 FROM EXTRUSION BAC1509-100146#7050-T76511 LOT#1452457-1 IAW SRM 53-70-53-0L-2. LOCATED AND DRILLED IAW SRM 51-40-05 OK TREAT AND PRIMER; [05] VERIFIED FABRICATION OF ACB FLOOR TRACK BS 887 - B.S 947; RBL 8; WL 164 IAW SRM 53-70-53-0L-2. LOCATED AND DRILLED IAW SRM 51-40-05<BR>OK TO TREAT AND PRIMER; [06] APPLIED CHEMICAL CONVERSION COATING AND PRIMED ACB FLOOR TRACK BS 887 - BS 947; RBL 8; WL 164 IAW SRM 51-20-01-0G-0 AND AMM 51-21-42-370-804<BR>OK TO INSTALL; [07] VERIFIED APPLICATION OF CHEMICAL CONVERSION COATING AND PRIMED ACB FLOOR TRACK BS 887 - BS 947; RBL 8; WL 164 IAW SRM 51-20-01-0G-0 AND AMM 51-21-42-370-804 <BR>OK TO INSTALL; [08] INSTALLED ACB FLOOR TRACK BS 887 - BS 947; RBL 8; WL 164 IAW SRM 51-40-02-0G-0 AND DWG#147A7500; [09] VERIFIED INSTALLATION OF ACB FLOOR TRACK BS 887 - BS 947; RBL 8; WL 164 IAW SRM 51-40-02-0G-0 AND DWG#147A7500; [10] VERIFIED CARD COMPLETE

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