Service difficulty report · Cargo Track · Boeing 7377H4

Difficulty date
May 11, 2021
Submitted
June 17, 2021
Operation
Air carrier
Aircraft
N732SW
Make and model
Boeing 7377H4
Aircraft serial
27864
Aircraft time
74,727 hours, 43,976 cycles
Part
Cargo Track
Condition
Corroded
Location
Bs 934 Lbl3
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 TRACK AROUND FASTENER HOLE AT AFT CARGO BAY BS934 LBL3 WL179. ; / INSTALLED NEW ACB CARGO TRACK BS 887-947; LBL 3; WL 179 IAW SRM 51-40-02-0G-0; DWG# 147A7500.;LOCATED; DRILLED; AND DEBURRED NEW ACB CARGO TRACK BS 887-947; LBL 3; WL 179 IAW SRM 51-40-05-0G-0; DWG# 147A7500. OK TO INSTALL;VERIFIED DRILL UP AND DEBURR. OK TO INSTALL;VERIFIED INSTALLATION OF ACB TRACK BS887-947; LBL3; WL179. IAW SRM 51-40-02; DWG 147A7500;BLENDED CORROSION ON TRACK 1'X1' D=0.024' ORIGINAL THICKNESS 0.070 OUT OF LIMITS IAW SRM 53-00-53-1A-2 DET. 4C 2B;DAMAGE REMOVAL OUT OF LIMITS PER SRM 53-00-53-1A-2;REMOVED CARGO TRACK AT BS 947-887 LBL 3 WL 179 IAW SRM 51-40-02-0G-0;TOOL USED CALIPER ID ATS1317 S/N UNK DATE 06/2021;UPDATED DAMAGED TABLE;VERIFIED

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