# SDR DALA1035089853

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2010
- Submitted: December 8, 2010
- Operation: Air carrier
- Aircraft: N762NC
- 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: 47710
- Aircraft time: 79,541 hours, 80,395 cycles
- Engine: Pwa JT8D17
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Channel
- Condition: Cracked
- Location: Floor Panel
- 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/DALA1035089853

## Discrepancy

DURING M-CHECK FOUND CABIN FLOOR PANEL NR76 HAS 1EA HAT CHANNEL CRACKED AND 1EA CHAFED THRU FABRICATED NEW PANEL IAW ERA 486157-14. REMOVED HAT CHANNELS FROM PANEL 76. DRILLED, DEBURRED AND COUNTERSUNK HOLES.  ALODINED AND PRIMED FLOOR PANEL AND HAT CHANNELS.INSTALLED HAT CHANNELS AND CUT OUT ANGLE IAW  SRM 51-30-2, SRM 53-23-0, FIG 5 AND DWG 9957717.

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