# SDR CA100730009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2010
- Submitted: January 4, 2011
- Operation: Air carrier
- Make and model: Agusta A119
- Registry model: [Agusta A119](https://openairdocs.org/model/agusta-a119) (OpenAirDocs)
- Aircraft time: 61 hours
- Engine: Pwa PT6B37A
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Drain Valve
- Part number: 109061704103
- Condition: Leaking
- Location: M/R Gearbox
- Part time: 98 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA100730009

## Discrepancy

DEFECT- OIL NOTICED ON TAILBOOM AND VERT FIN AFTER SHUTDOWN.  NO SECONDARY INDICATIONS NOTED (IE CAUTION, TEMP, OR PRESSURE).   MGB SERVICED WITH 3 LITRES OF BP 2380 OIL AND OIL SYS DRAIN LINES DISCONNECTED FOR TROUBLESHOOTING AS NO OIL WAS FOUND ON DECK PANS.  ACFT GROUND RAN C/O AND FOUND THAT ALL, PARTICULARLY THE PRESSURE SIDE LINE DUMP VALVE, LEAKS SLIGHTLY WHILE MANIPULATED WITHIN THE STOP INDENT POSITION. ALL 4 VALVE TAP HANDLES LOCKWIRED TO THE HARD OFF POSITION. GRD RUN AND LEAK CHECK FOR 15 MIN. C/O SATISFACTORY. VERIFIED MGB OIL LEVELS. A/C RTS. VERIFIED NO FURTHER LEAKS AFTER A 30 MINIUTE FLIGHT.

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