# SDR 22AA201000045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2010
- Submitted: March 30, 2010
- Operation: Air carrier
- Aircraft: [N524MD](https://openairdocs.org/aircraft/N524MD), registered now
- Make and model: Doug DC-10-30F
- Registry model: [Doug DC-10-30F](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30f) (OpenAirDocs)
- Aircraft serial: 46999
- Aircraft time: 76,138 hours, 18,920 cycles
- Engine: Ge CF650C2
- System (JASC): [5413 · Nacelle/Pylon, Longeron/Stringer](https://openairdocs.org/jasc/5413)
- Part: Longeron
- Condition: Cracked
- Location: Lt Nacelle
- Part time: 76,138 hours, 18,920 cycles
- 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/22AA201000045

## Discrepancy

DURING "C" CHECK, NR 1 ENGINE LT CORE COWL UPPER LONGERON FOUND WITH CRACK.  NON-ROUTINE NR 324,  CRACKED NR 1 ENG LT CORE COWL UPPER LONGERON AREA REPAIRED IAW EN 1006-10 WORK INSTRUCTIONS AND FORM 8110-3 DATED 26 FEB 2010.

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