# SDR DALA1125449871

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2011
- Submitted: April 13, 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): [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/DALA1125449871

## Discrepancy

PART RACK 131B MAIN PASSENGER CABIN FLOOR PANEL NR 36 AFT END 4 HAT CHANNELS CRACKED.  REMOVED 5 EA HAT CHANNELS PER DC9   SRM 51-30-2.  MAT ID FOR NEW PANEL SKIN .025 7075T6.  MAT ID FOR NEW HAT CHANNELS S2912281 PER DC9 DWG 995791 AND EA 491529-14. INSTALLED CHANNELS ON SKIN PER OWC 9457919 AND ERA 491529-14 P-226.

---
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.