# SDR DALA1124799871

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2011
- Submitted: April 8, 2011
- Operation: Air carrier
- Aircraft: [N780NC](https://openairdocs.org/aircraft/N780NC), registered now
- 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: 48102
- Aircraft time: 72,571 hours, 67,115 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Angle
- 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/DALA1124799871

## Discrepancy

4L/23 KEEL AREA FRAME STA 832 LOWER SIDE HAS CORROSION. CPCPTASK 55-53300.  REMOVED 2 EA ANGLES AT STA 812 & 832. REMOVED CORROSION FROM STA 812 ANGLE.  BOTH FOUND TO BE OUT OF LIMITS IAW DC9 SRM 53-01 FIG 1.  FABBED 2 & INSTALLED 2EA ANGLES IAW DC-9 SRM 51-30-2, 51-10-2, 51-10-4 & 51-10-3.

---
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.