# SDR RAIA950714

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N421TE](https://openairdocs.org/aircraft/N421TE), registered now
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft serial: 102
- Engine: Pwa PW120
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Part number: 7863927
- Condition: Malfunctioned
- Location: Lt Engine
- Stage of operation: TO
- Nature of condition: J
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/RAIA950714

## Discrepancy

STL - FLT 7126 - LT ENGINE LOW POWER, 28 PERCENT TQ.  MAINTENANCE REPLACED LT ENG HYDROMECHANICAL UNIT AS PER PWC MM 72-40-00.  GROUNDS RUNS REVEALED NORMAL OPERATION AND LEAK CHECK GOOD.  (W)

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