Service difficulty report · Cargo Track · Boeing 7377BD

Difficulty date
January 25, 2022
Submitted
April 4, 2022
Operation
Air carrier
Aircraft
N7730A
Make and model
Boeing 7377BD
Aircraft serial
33926
Aircraft time
51,354 hours, 27,779 cycles
Part
Cargo Track
Condition
Corroded
Location
Aft Cargo
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION ON TRACK AT AFT CARGO BAY RBL13 BS767+6; BS787+2 - BS867. MARKED. / [01] EVALUATED CORROSION ON TRACK AT ALL LOCATION; FOUND DEEPEST LOCATION TO BE AT BS 767+6 RBL 13 WL 156; FOUND 0.030 REMOVED FROM ORIG 0.071 IN 1'X1' AREAS FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING DIAL DEPTH GAUGE ID ATS 2677;[02] VERIFIED EVALUATED CORROSION ON TRACK AT ALL LOCATION; FOUND DEEPEST LOCATION TO BE AT BS 767+6 RBL 13 WL 156; FOUND 0.030 REMOVED FROM ORIG 0.071 IN 1'X1' AREAS FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING DIAL DEPTH GAUGE ID ATS 2677;[03] REMOVED TRACK AT AFT CARGO BAY RBL 13 FROM BS 727 TO 867 PER REF SRM 51-40-02;[04] LOCATED; DRILLED AND DEBURRED NEW RBL13 FWD TRACK SECTION FROM BS 727+4 TO 747+8 AND AFT TRACK SECTION FROM 747+8 TO BS887 IAW SRM 51-40-05 AND DWG 146A7500. OK TO INSTALL BOTH TRACK SECTIONS.;[05] VERIFIED CORRECTIVE ACTION 4.<BR>OK TO INSTALL;[06] INSTALLED FWD AND AFT SECTION OF CARGO TRACK RBL13 FROM BS727+4 TO BS 887 IW SRM 51-40-02 AND DWG 146A7500;[07] RII INSPECTED ACTION 6;[08] INSTALLED REPAIR BETWEEN BS 755 AND BS759 RBL 13 PER SWA EA 22-153-00311;[09] VERIFIED CORRECTIVE ACTION 8.

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