# SDR SWAA085463

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2008
- Submitted: October 15, 2008
- Operation: Air carrier
- Aircraft: N312SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 23334
- Aircraft time: 74,168 hours, 69,262 cycles
- System (JASC): [3233 · Landing Gear Actuator](https://openairdocs.org/jasc/3233)
- Part: Actuator
- Part number: 65448106
- Part serial: 6741
- Condition: Faulty
- Location: Lt Mlg
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA085463

## Discrepancy

DURING APPROACH LT MLG WOULD NOT INDICATE DOWN, RETRACTED GEAR, DID MANUAL EXTENSION GEAR DOWN, INDICATION NORMAL.  REMOVED AND REPLACED MLG UPLOCK ACTUATOR AND PRIORITY MODULAR VALVE PER MM.

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