Service difficulty report · Track · Boeing 7377H4

Difficulty date
March 15, 2025
Submitted
April 4, 2025
Operation
Air carrier
Aircraft
N939WN
Make and model
Boeing 7377H4
Aircraft serial
36646
Aircraft time
51,518 hours, 31,311 cycles
Part
Track
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
E
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 CARGO TRACK RBBL 13.84 LOCTAED BS727E AFT CARGO COMPARTMENT 2025-203785 <[01]. STEP 5 AND 6 TOOL USED EDDY CURRENT EQUIPMENT PN: NORTEC 600D; SN: 240497907; DUE DATE: 27-AUG-25; [02] INSTALLED PERMANENT REPAIR PARTS [1] TRACK EXTRUSION [2] TRACK SPLICE (1 E/A) AND FASTENERS LOCATED ON CARGO TRACK LOCATED BS 727D + 12? TO BS 727E + 10? RBBL 13.84. AT AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-53-2R-3 REPAIR 3. SEE INDIVIDUAL STEP SIGNOFF BELOW .; [03] INSTALLED PERMANENT REPAIR PARTS [1] TRACK EXTRUSION [2] TRACK SPLICE (1 E/A) AND FASTENERS LOCATED ON CARGO TRACK LOCATED BS 727D + 12? TO BS 727E + 10? RBBL 13.84. AT AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-53-2R-3 REPAIR 3. SEE INDIVIDUAL STEP SIGNOFF BELOW .; [04] CORRECTED STEP 3. INSTALLED PERMANENT REPAIR PARTS [1] TRACK EXTRUSION [2] TRACK SPLICE (1 E/A) AND FASTENERS LOCATED ON CARGO TRACK LOCATED BS 727D + 12? TO BS 727E + 10? RBBL 13.84. AT AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-53-2R-3 REPAIR 3. SEE INDIVIDUAL STEP SIGNOFF BELOW . RII.

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