Service difficulty report · Cargo Track · Boeing 7377H4

Difficulty date
May 2, 2022
Submitted
June 9, 2022
Operation
Air carrier
Aircraft
N477WN
Make and model
Boeing 7377H4
Aircraft serial
33988
Aircraft time
60,414 hours, 35,826 cycles
Part
Cargo Track
Condition
Cracked
Location
Aft Cargo
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

CRACK ON AFT CARGO BAY RAIL AT RBL 14 BS 747. / [01] ENTERED MEASUREMENTS;[02] SRM 53-00-53-1A-2 IS APPLICABLE FOR THIS DAMAGE EVALUATION.<BR>DAMAGE FOUND TO BE OUT OF ALLOWABLE DAMAGE LIMITS. CRACK IS LOCATED LESS THAN 20X FROM FASTENER. REF SRM 53-00 53-1A-2; 4B (1) (A) FIGURE 103 DETAIL C. REPAIR BT REPLACEMENT IAW SRM 51-10-02.;[03] VERIFIED CORRECTIVE ACTION 1 AND 2.;[04] REMOVED RAIL AT AFT CARGO BAY RBL 14 BS 727 TO BS 887 MIAW RSM 51-40-02-0G-0;[05] RECEIVED NEW KIT SEAT TRACK PN 654A0004-1350 FROM STORES REF PO 865229.<BR>LOCATED AND DRILLED TRACK IAW SRM 51-40-05 AND DWG 146A7500.;[06] OK TO INSTALL NEW SEAT TRACK;[07] UPDATE CORRECTIVE ACTION 4 AND 5: RECEIVED NEW KIT CARGO TRACK TIE DOWN BTW B/S 727 TO B/S 887 RBL 14 P/N 654A0004-1350 FROM STORES REF P/O 865229. LOT#1489150<BR>LOCATED AND DRILLED TRACK IAW SRM 51-40-05 AND DWG 146A7500. REV:-.OK TO INSTALL;[14] INSTALLED NEW CARGO TRACK ON AFT CARGO BAY BETWEEN BS 727+4 TO BS 887; RBL 14 IAW SRM 51-40-02-0G-0 AND DWG 146A7500; ID: 0082; REV:-;[15] VERIFIED CORRECTIVE ACTION 14.

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