# SDR DALA1117209877

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2011
- Submitted: March 11, 2011
- Operation: Air carrier
- Aircraft: N786NC
- 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: 48148
- Aircraft time: 68,643 hours, 62,328 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Condition: Corroded
- Location: Cabin
- 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/DALA1117209877

## Discrepancy

FLOOR PANEL 79 HAS CORROSION ON NUMEROUS SCREW HOLES.  BLENDED OUT NUMEROUS SCREW HOLES OF CORROSION, FOUND TO BE  OUT OF LIMITS IAW DC9 SRM 53-01.  FABBED FLOOR PNL SKIN, IAW DC9 SRM 51-10-4.  INST HAT CHANNELS TO FLOOR PNL 79 SKIN IAW DC9 SRM 51-30-02, REMOVED HAT CHANNELS FROM FLOOR PNL IAW DC9 SRM 51-30-2, PG 24.

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