# SDR LR7A2015080800604

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2015
- Submitted: August 11, 2015
- Operation: Air carrier
- Aircraft: [N407LC](https://openairdocs.org/aircraft/N407LC), registered now
- Make and model: Lkheed 382G
- Aircraft serial: 5225
- Aircraft time: 9,101 hours, 5,773 cycles
- Propeller: Hamstd 54H60117
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Valve
- Part number: 582855
- Part serial: C8852
- Condition: Failed
- Location: Propeller
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/LR7A2015080800604

## Discrepancy

DURING SCHEDULED FLIGHT, WHILE PERFORMING REINDEXING PROCEDURE, NR 1 ENGINE RPM DROPPED TO 97 PERCENT THEN INCREASED TO APPROXIMATELY 103 PERCENT AT WHICH TIME ENGINE WAS SHUTDOWN.  REPLACED PROP VALVE HOUSING IAW HN61135.

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