# SDR DALA1125089871

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2011
- Submitted: April 12, 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: Web
- 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/DALA1125089871

## Discrepancy

KEEL AREA LANDING UNDER PANEL 5501NW HAS CORROSION CPCP TASK55-53300.  GAIN ACCESS IAW DC9 SRM 51-30-01.  REMOVED WEB FOUND LOSS TO BE OUT OF LIMITS IAW DC9 SRM 51-30-01 AND 53-01 FIG 1.  DRILLED NEW WEB PN 9923549635 IAW DC9 SRM 51-10-04.  INSTALLED WEB AND RESTORED ACCESS IAW DC9 SRM 51-30-02 RT AFT HINGE TO BE INSTALLED ON CARD 2504NO0852.

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