Service difficulty report · Track · Boeing 7377BD

Difficulty date
February 13, 2023
Submitted
March 15, 2023
Operation
Air carrier
Aircraft
N7745A
Make and model
Boeing 7377BD
Aircraft serial
33933
Aircraft time
49,824 hours, 25,581 cycles
Part
Track
Condition
Cracked
Location
Zn 100 Fus Lower
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 TRACK RBL 13.84 AT BS 460 WL 155 AT FWD CARGO COMPARTMENT 2023-119519<[01] TOOL USED: EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 220273012; DUE DATE: 17-DEC-23;[02] TOOL USED CALIPER P/N: 500-193-30; S/N: 0017054; DUE DATE: 05-OCT-23;[03] REPLACED TRACK LOC. RBL 13.84 AT BS 400 TO BS 500A WL 155 AT FWD CARGO COMPARTMENT I.A.W. B737-700 SRM 53-00-53-2R-3 REPAIR 3; ALTERNATIVE 1; FIGURE 203; SHEET 1 AND SRM 51-40-02; DWG 143A7500; SHEET 59 ; REV - .SEE INDIVIDUAL SIGNS-OFF BELOW.;[04] REPLACED TRACK LOC. RBL 13.84 AT BS 400 TO BS 500A WL 155 AT FWD CARGO COMPARTMENT I.A.W. B737-700 SRM 53-00-53-2R-3 REPAIR 3; ALTERNATIVE 1; FIGURE 203; SHEET 1 AND SRM 51-40-02; DWG 143A7500; SHEET 59 ; REV - .SEE INDIVIDUAL SIGNS-OFF BELOW.RII ITEM

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