# SDR CAL950376

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N17407](https://openairdocs.org/aircraft/N17407), registered now
- Make and model: Boeing 727243
- Aircraft serial: 21270
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Seq Valve
- Part number: 1U1085
- Condition: Cracked
- Location: Rt Mlg
- Part time: 16,901 hours
- 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/CAL950376

## Discrepancy

FLT NR 0362 - EWR - THE 'A' SYSTEM HYDRAULIC FLUID QUANTITY WAS LOST IMMEDIATELY AFTER TAKEOFF FROM EWR.  THE AIRCRAFT WAS RETURNED TO EWR WHERE IT LANDED WITHOUT INCIDENT.  MAINTENANCE FOUND THE RT MAIN GEAR LOCK OPERATED SEQUENCE VALVE CRACKED.  THE SEQUENCE VALVE WAS REMOVED AND REPLACED AND THE 'S' HYDRAULIC SYSTEM WAS SERVICE TO FULL.  A GEAR SWING WAS PERFORMED WITH NO LEAKS OR DEFECTS NOTED.  (W)

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