# SDR DALA1117159877

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 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: Cracked
- Location: Fuselage
- 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/DALA1117159877

## Discrepancy

FLOOR PANEL NR 15 HAS CORROSION ON TOP AND BOTTOM OF PANEL.  OUT OF LIMITS IAW NWA DC9 SRM 53-01, FIG 1 CRACK ON FWD END OF NR 2, BLENDED OUT SURFACE CORR ON HAT CHANNELS 1, 3, 4, 5, AND BLENDED OUT 1/8 INCH CRACK ON NR 2 HAT CHANNEL IAW NWA DC9 SRM 53-01. FABBED FLOOR PNL SKIN IAW NWA DC9 SRM 53-23- INST IAW SRM 51-30-2, PG 1-5. ORIG MAT FLOOR PANEL SKIN IS .040, MAT REMOVED IS .020, ORIG MAT HAT CHANNELS IS .025, MAT REM IS .001.

---
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.