Service difficulty report · Track · Boeing 7377Q8

Difficulty date
December 14, 2021
Submitted
February 2, 2022
Operation
Air carrier
Aircraft
N7864B
Make and model
Boeing 7377Q8
Aircraft serial
30638
Aircraft time
57,729 hours, 38,472 cycles
Part
Track
Condition
Cracked
Location
Fuselage
Stage of operation
UK
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 TRACK AT RBL 14 BS 727E, 747, 767. CRACK FOUND ON FLOOR TRACK, MAXIMUM CRACK FOUND 0.30', OUT OF LIMIT IAW SRM 53-00-53-1A-2 PAR.4B(1A) FIG 103-C. REMOVED TRACK AT RBL 14 BS 727 TO BS 887 IAW SRM 51-40-02-0G-0. LOCATED & DRILLED NEW FLOOR TRACK TIE DOWN FROM BS 727 TO BS 747 AND BS 767 TO 887 IAW SRM 51-40-02-0G-0 & DWG 146A7501. FABRICATED LOCATED & DRILLED AFT CARGO BAY FLOOR TRACK REPAIR SPLICE AT BS747+8 IAW SRM 51-40-05-0G-0 & SRM 53-00-53-2R-3 REPAIR 3 FIG. 203; DETAIL A. INSTALLED NEW FLOOR TRACK TIE DOWN FROM BS 727 TO 747 & 767 TO 887 & INSTALLED AFT CARGO BAY FLOOR TRACK REPAIR SPLICE AT BS 747 IAW SRM 51-40-02-0G-0 & SRM 53-00-53-2R-3 REPAIR 3, DWG 146A7500 AND DWG 146A7501.

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