# SDR FDEA201108233413

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2011
- Submitted: August 23, 2011
- Operation: Air carrier
- Aircraft: [N643FE](https://openairdocs.org/aircraft/N643FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48486
- Aircraft time: 48,609 hours, 9,839 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: NCA622473
- Condition: Corroded
- Location: Zone 200
- 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/FDEA201108233413

## Discrepancy

FLOOR SUPPORT AT RT STA 595, X = -75.25 CORRODED BEYOND SRM LIMITS.  CORROSION REMOVED IAW SRM 51-21-01, REV 47.   MATERIAL ORIGINAL THICKNESS = 0.075"; MATERIAL REMOVED = 0.050"; MATERIAL REMAINED = 0.025" FOUND EXCEEDED LIMIT IAW SRM 53-00-00, REV 47, FIG 202.  ACCOMPLISHED EA 1-5310-154215.  REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100, REV 113.

---
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.