# SDR DALA1132319866

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2011
- Submitted: May 10, 2011
- Operation: Air carrier
- Aircraft: N775NC
- 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: 47785
- Aircraft time: 73,589 hours, 69,813 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Condition: Corroded
- Location: Cockpit
- 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/DALA1132319866

## Discrepancy

COCKPIT FLOOR PNL 14A HAS CORROSION ON UPPER SURFACE ALSO HAS 1 PUNCTURE THROUGH.  REMOVED COCKPIT FLOOR.  CORROSION ON SURFACE AND 1 PUNCTURE IAW SRM DC-9 51-30-1.  FABRICATED LOCATED, DRILLED, DEBURRED, COUNTERSUNK FLOOR PANEL AND THREE EA HAT CHANNELS .025 7075-T6 LOT NR 1170665 IAW DC-9 SRM 51-10-4 AND DWG NR 9957826 ERA 491732-14MA.

---
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.