# SDR CALA2020020800349

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2020
- Submitted: February 9, 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: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2020020800349

## Discrepancy

CRACK INDICATION NOTED AT HOLE #1 AND #3 WHILE DOING ROTO INSPECTION AT LBL 45.50 ANGLE/SPLICE STRAP AT STA727B   CUT OUT DAMAGE AREA AT I/B FALANGE BS 727B LBL-45.5 REF B737 SRM 53-40-51 REPAIR 1, FABRICATED REPAIR PARTS II DOUBLER 7075T6. .125", 1) FILLER 7075T6. 0.090" AND FILLER 7075T6 0.160" REF B737 SRM 53-40-51 REPAIR 1 PG 203 LOCATED REF B737-700 SRM 53-40-51 REP 1 PG 203. REF B737 SRM 51-20-01 AND INSTALLED REPAIR PARTS TREATED, PRIMED REPAIR PARTS AND REWORKED AREAS DRILLING REPAIR PARTS REF B737 SRM 51-40-05, C/W INSPECTION

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.