Service difficulty report · Cargo Track · Boeing 7377H4

Difficulty date
May 2, 2023
Submitted
June 1, 2023
Operation
Air carrier
Aircraft
N285WN
Make and model
Boeing 7377H4
Aircraft serial
32536
Aircraft time
51,630 hours, 31,054 cycles
Part
Cargo Track
Condition
Cracked
Location
Zn 100 Fus Lower
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 R/H CARGO FLOOR TRACK IS CRACKED BS 767 RBL 13 WL 155<[01] CRARGO TRACK IS CRACKED AND FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2. VERIFIED APPLICABILITY OF SRM 53-00-53-2R-3. REMOVED CARGO TRACK PER SRM 51-40-02. UPDATED MEASUREMENT TABLE.;[02] LOCATED AND DRILLED NEW AFT CARGO BAY R/H CARGO FLOOR TRACK BS 727+4 - BS 887 RBL 13 WL 155 IAW SRM 51-40-05-0G-0 AND DWG 146A7500. OK TO INSTALL;[03] VERIFIED CORRECTIVE ACTIONS 1-2 AND MEASUREMENT TABLE.<BR>OK TO INSTALL GIVEN.;[04] INSTALLED NEW AFT CARGO BAY R/H CARGO FLOOR TRACK BS 727+4 - BS 887 RBL 13 WL 155 IAW SRM 51-40-02-0G-0; DWG 146A7500 AND DWG 146A0061;[05] VERIFIED CORRECTIVE ACTION 4 <BR>APPROX. BS 755 REPAIR SPLICED PENDING;[06] FABRICATED TRACK SPLICE; MADE FROM BAC1509-100688#7050T76511 LOT# 1479709-1 AND FILLER SECTION FROM OLD TRACK EXTRUSION IAW SRM 53-00-53 REPAIR 3 AND 23-153-01484-WIP1

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