Service difficulty report · Cargo Track · Boeing 7377H4

Difficulty date
June 30, 2021
Submitted
August 11, 2021
Operation
Air carrier
Aircraft
N750SA
Make and model
Boeing 7377H4
Aircraft serial
29802
Aircraft time
75,691 hours, 44,551 cycles
Part
Cargo Track
Condition
Corroded
Location
Bs 927
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 RAIL AROUND FASTENER HOLE AT AFT CARGO BAY BS927+18 RBL3 WL178. ; / [01] EVALUATED CORROSION ON RAIL AROUND FASTENER HOLE AT AFT CARGO BAY BS927+18 RBL3 WL178. REMOVED DAMAGE IN AREA OF L=1' X W=.5' X D=.012'; ORIGINAL THICKNESS .063'; REMAINING THICKNESS .051'. LESS THAN 0.10T DEPTH OF MATERIAL REMOVED; FOUND TO BE OUT OF LIMITS LIMITS IAW SRM'S 53-60-53-0I-2 AND 53-00-53-1A-2<BR><BR>ATS TOOL ATS400 S/N N/A DUE DATE 07/2022; [02] VERIFIED; [03] VERIFIED CORROSION REMOVED; .012' MATERIAL REMOVED; OUT OF LIMITS; [04] EVALUATED CORROSION ON RAIL AROUND FASTENER HOLE AT AFT CARGO BAY BS927+18 RBL3 WL178. REMOVED DAMAGE IN AREA OF L=1' X W=.5' X D=.012'; ORIGINAL THICKNESS .063'; REMAINING THICKNESS .051' FOUND TO BE OUT OF LIMITS IAW SRM'S 53-60-53-0I-2 AND 53-00-53-1A-2 <BR><BR>ATS TOOL ATS400 S/N N/A DUE DATE 07/2022; [05] REMOVED DAMAGED RAIL AT ACB BS887-BS947; RBL3 WL178 IAW SRM 51-10-02-0G-0 PAR.9; [06] VERIFIED; [07] FABRICATED NEW CARGO TRACK AT ACB BS887-BS947; RBL3 WL178 FROM BAC1509-1000146# LOT#1459408-1 IAW SRM 53-70-53-OI-2; SRM 51-40-05 AND BOEING DWG #147A7500

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