Service difficulty report · Cargo Track · Boeing 73771B

Difficulty date
October 21, 2022
Submitted
November 14, 2022
Operation
Air carrier
Aircraft
N7854B
Make and model
Boeing 73771B
Aircraft serial
29372
Aircraft time
45,663 hours, 30,470 cycles
Part
Cargo Track
Condition
Cracked
Location
Bs 460
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

CRACKED TRACK AT FWD CARGO BAY BS460 RBL13. / [01] ENTERED MEASUREMENTS.;[02] SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2 IS APPLICABLE FOR THIS EVALUATIION.<BR>CRACK MEASURES 0.40'L<BR>DAMAGE FOUND TO BE OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-53-1A-2; PARA 4B (1) (A) FIG 103; DETAIL C.<BR>CRACK IS LONGER THAN 10% OF FLANGE WIDTH.<BR>REPAIR BY REPLACEMENT IAW SRM 51-10-02-0G-0 STEP 9.;[03] VERIFIED ACTION #2;[04] REMOVED FCB CARGO TRACK FROM BS 396 TO BS 500D;RBL 13;WL156 IAW SRM 51-40-02-0G-0;[05] LOCATED AND DRILLED FCB NEW CARGO TRACK IAW SRM 51-40-05-0G-0 AND BOEING DWG 143A7500; ID:0005; REV:-. REQUEST OK TO INSTALL;[06] VERIFIED CORRECTIVE ACTION ITEM 5; OK TO INSTALL.;[07] PARTIALY INSTALLED TRACK COMMON TO FRAME CLIPS IAW BOEING 143A7500; ID:0005; REV:-DWG;[08] FINISHED INSTALLING TRACK FROM BS 396 TO BS 500D;RBL 13;WL156 IAW SRM 51-40-02 AND BOEING 143A7500; ID:0005;[09] RII VERIFIED CORRECTIVE ACTION ITEM 7-8.;[10] REJECTED FINAL; AMT NEEDS TO CORRECT 'MAJOR' REPAIR; TO MINOR.;[11] UPDATED MEASUREMENT TABLE;[12] CORRECTED MEASUREMENT TABLE (MAJOR TO MINOR);[13] VERIFIED CORRECTIVE ACTION ITEMS AND MEASUREMENT FIELDS; CARD COMPLETE.

More about the Boeing 737-71B