Service difficulty report · Track · Boeing 7377H4

Difficulty date
January 12, 2023
Submitted
February 2, 2023
Operation
Air carrier
Aircraft
N405WN
Make and model
Boeing 7377H4
Aircraft serial
27893
Aircraft time
71,985 hours, 42,752 cycles
Part
Track
Part number
NOTENTERED
Part serial
NOTENTERED
Condition
Corroded
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

CORROSION TRACK RBBL 13.84 LOCATED BS927 TO BS947.5 AND WL156 AT AFT CARGO COMPARTMENT 2023-36550<[01] TOOL USED CALIPER PN 500-196-30 SN A21125629 CAL DUE DATE 05 NOV 23.;[02] TOOL USED MICROMETER PN 293-344-30 SN 71707568 CAL DUE DATE 23 NOV 23.;[03] TOOL USED DIGITAL CALIPER P/N 500-193-30 S/N 0000291 DUE DATE 12-OCT-23;[04] REPAIRED CARGO TRACK RBBL 13.84 BTW BSTA 907 AND BSTA 947.5 IAW SRM B737-700 53-00-53-2R-3 REPAIR 3 ALTERNATIVE 1. SEE INDIVIDUAL SIGN OFF BELOW.;[05] CERTIFIED STEP 4; COMPLETED <BR>ITEM RII

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