# SDR CALA2025101410074

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2025
- Submitted: October 14, 2025
- Operation: Air carrier
- Aircraft: [N17128](https://openairdocs.org/aircraft/N17128), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27567
- Aircraft time: 98,445 hours, 21,589 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 144N8006
- Condition: Cracked
- Location: Sta 1180
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025101410074

## Discrepancy

MAIN CABIN, AFTER REMOVED DOME N UTS FLOOR STRUCTURE, FOUND T-CHANNEL WITH A CRACK AT FR1180 LBL 0.  REMOVED FLOOR PANEL SUPORT FROM FR1190 LBL 0 MAIN CABIN IAW SRM 51-40-02 FABRICATED LOCATED AND DRILLED NEW SUPPORT IAW SRM 51-40-03-OG-0 AND DWG 144N8006 APPLIED TRAT AND PRI ME IAW SRM 51-20-01-OG-0 INSTALLED NEW FLOOR PANEL SUPPORT IAW B757-200 SRM 51-40-02-OG-0 AND DWG 144N8006 APPLIED CIC IAW AMM 51-00-51.

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