# SDR CALA2020012300205

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2020
- Submitted: January 20, 2020
- Operation: Air carrier
- Aircraft: [N16732](https://openairdocs.org/aircraft/N16732), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28948
- Aircraft time: 65,723 hours, 23,446 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Part number: 144A5350
- Condition: Cracked
- Location: Bs 727b
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2020012300205

## Discrepancy

CRACK INDICATIONS FOUND AT FASTENER HOLES 1, 2, AND 4 AT BS 727B, LBL 24.75, TRACK FLANGE.   FOUND BEYOND LIMITS OF EA 5320-02076 REV L, OP 003. REPAIRED THE SEAT TRACK IAW SRM 53-40-51, REPAIR 1.

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