# SDR 98ZZZX121

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N774AT](https://openairdocs.org/aircraft/N774AT), registered now
- Make and model: Boeing 727290
- Aircraft serial: 21510
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Sequence Valve
- Part number: 1U1085
- Condition: Cracked
- Location: Lt Mlg
- Stage of operation: CL
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX121

## Discrepancy

MCO - FLT 257 - ON DEPARTURE WHEN GEAR WAS RETRACTED, THE RIGHT GEAR DOOR LIGHT CAME ON AS THE GEAR ENTERED THE WHEELWELL FOLLOWED BY THE A-SYSTEM RUDDER/AILERON LIGHTS ON.  DIVERTED TO ALTERNATE AIRPORT.  FOUND LT MLG LOCK SEQUENCE VALVE CASE CRACKED.  REMOVED AND REPLACED VALVE PER MM 32-32-31.  NO LEAKS NOTED.

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