# SDR DHL99724002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N724DH
- Make and model: Boeing 727228
- Aircraft serial: 19862
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Valve
- Part number: 1U108
- Condition: Cracked
- Location: Lt Mlg
- Stage of operation: CL
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL99724002

## Discrepancy

DURING GEAR RETRACTION EXPERIENCED COMPLETE HYDRAULIC FLUID LOSS OF A SYSTEM.  FOUND LEFT MAIN GEAR LOCK OPERATION SEQUENCE VALVE CRACKED.  REMOVED AND REPLACED VALVE PER MM 32-32-31, OPS CHECK GOOD.

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