# SDR UPS05M43893

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2004
- Submitted: February 18, 2005
- Operation: Air carrier
- Aircraft: [N278UP](https://openairdocs.org/aircraft/N278UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48577
- Aircraft time: 37,391 hours, 5,276 cycles
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Rib
- Part number: ARB2850505
- Condition: Cracked
- Location: L/E Slat
- 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/UPS05M43893

## Discrepancy

NR 16 LEADING EDGE SLAT TRACK INBOARD FITTING FOUND WITH SIGN OF CRACK AS MARKED.  HFEC C/O IAW DAC NDT SPM R.11 PART 06-10-01.001 AND CRACK CONFIRM APPROX 1/2 INCH LONG.  LT NR 16 L/E SLAT TRACK AND DOOR REMOVED PER 57-40-01 REV 47 CRACKED.  RIB REMOVED PER SRM 51-35-01 AND 51-33-01 V.2R.35.  NEW RIB HOLES TRANSFER  PER SRM 51-31-01V.2R.35 AND DWG ARB2873.  NEW RIB INSTALLED PER SRM 51-35-0 1 AND 51-33-01 V.2R.35.  LHW NR 16 SLAT TRACK AND DOOR REINSTALLED PER 57-40-01R.45.

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