# SDR ALG2005F00118

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2005
- Submitted: December 15, 2005
- Operation: Air carrier
- Aircraft: N579AL
- Make and model: Cirrus SR22
- Registry model: [Cirrus SR22](https://openairdocs.org/model/cirrus-design-sr22) (OpenAirDocs)
- Aircraft serial: 1057
- Engine: Allsn 250C47B
- System (JASC): [6340 · Rotor Drive Indicating System](https://openairdocs.org/jasc/6340)
- Part: Indicator
- Condition: Malfunctioned
- Location: Xmsn Oil Press
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALG2005F00118

## Discrepancy

IN FLIGHT TRANSMISSION PRESSURE DROPPED TO ZERO, RETURNED TO NORMAL AND BACK TO ZERO IN A 15 MINUTE FLIGHT.  INSPECTION BY MAINT REVEALED THE NR 8 TAIL ROTOR DRIVE SHAFT HAD FAILED.  A WO WAS OPENED FOR REPAIR OF THIS AIRCRAFT.  REMOVED AND REPLACED TRANSMISSION OIL GAUGE.  (K)

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