Service difficulty report · Track · Boeing 7377H4

Difficulty date
July 5, 2022
Submitted
August 22, 2022
Operation
Air carrier
Aircraft
N202WN
Make and model
Boeing 7377H4
Aircraft serial
33999
Aircraft time
58,974 hours, 35,001 cycles
Part
Track
Condition
Corroded
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

CORROSION ON AFT CARGO BAY TRACK AT RBL 14 BS 787+13; BS 787+15; BS 787+17; BS 807+12; BS 827+4; BS 827+17. / [01] SRM 53-00-53-1A-2 IS APPLICABLE FOR THIS;[02] BLENDED DAMGE ON AFT CARGO BAY TRACK AT RBL 14 ; BS 787+13 ; L 0.500' X W 0.400 X D 0.009'; BS 787+15 ; L 1.0' X W 0.200' X D O.012'; BS 787+17 ; L 1.0' X W 0.500' X D 0.012' ; BS 807+12; L 1.4' X W 0.150' X D 0.013';BS 827+4 ; L 1.3' X W 0.200' X D 0.014' ; 827+17; L 1.4' X W 0.300' X D 0.012' ; FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2; STEP 4B; FIGURE103 ; USED DEPTH GAUGE ; ID:ATS401; S/N: UNKNOWN; DUE: 10/2022;[07] LOCATED AND DRILLED NEW CARGO BAY SECTION TRACK BETWEEN BS 747+8 TO BS 887; RBL 14 IAW SRM 51-40-05-0G-0 AND DWG 146A7500; ID:0027; REV:A . OK TO INSTALL;10] INSTALLED NEW CARGO BAY TRACK SECTION FROM BS 767 TO BS 887; RBL 14 IAW SRM 51-40-02-0G-0 AND DWG 146A7500; ID:0027 ; REV:A[13] LOCATED AND DRILLED CARGO TRACK SPLICE BETWEEN BS 747 AND BS 767; RBL 14 IAW SRM 53-00-53-2R-3 ; OK TO INSTALL SPLICE;[16] INSTALLED SPLICE BETWEEN BS 747 AND BS 767 ; RBL 14 IAW SRM 53-00-53-2R-3

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