# SDR DALA1132009866

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2011
- Submitted: May 9, 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/DALA1132009866

## Discrepancy

COCKPIT FLOOR PANEL NR 14 HAS CORROSION SEVERAL PLACES.  REMOVED FLOOR PANEL NR 14B.  REMOVED CORROSION FROM PANEL IAW DC9 SRM 51-10-3.  ORIG THICKNESS OF PANEL IS .025 IAW DWG 9957826.  REMOVED .017 .008 REMAINING IAW SRM 51-01.  MATERIAL IS OUT OF LIMITS.  OBTAINED MATERIAL TO FAB NEW PANEL USING 7075-T6 .025.  FABRICATED PANEL, LOCATED AND DRILLED HOLES.  DEBURRED, TREATED IAW SRM 51-30-1, 51-10-3.  INSTALLED PANEL IAW DC-9 SRM   51-30-1.

---
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.