# SDR DALA1118289870

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2011
- Submitted: March 14, 2011
- Operation: Air carrier
- Aircraft: N779NC
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 48101
- Aircraft time: 71,333 hours, 66,584 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Condition: Corroded
- Location: Fuselage
- 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/DALA1118289870

## Discrepancy

MAIN CABIN STA 200 TO 285 LBL 22 SEAT TRACK HAS CORROSION.  REMOVED CORROSION ON SEAT TRACK IAW DC9 SRM 51-10-3.  ORIGINAL THICKNESS WAS .090 IAW DC9 SRM 53-23-0 FIG 4.  AFTER BLEND THICKNESS IS .029.  OUT OF LIMITS IAW DC9 SRM 53-01.  SEAT TRACK REMOVED, FABBED AND INSTALLED FROM STA 200-303 ON WORKCARD 6C/271.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.