# SDR MASA2011031202137

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2011
- Submitted: March 12, 2011
- Operation: Air carrier
- Aircraft: [N987HA](https://openairdocs.org/aircraft/N987HA), registered now
- Make and model: Dhav DHC8202
- Aircraft serial: 425
- Aircraft time: 36,235 hours, 28,230 cycles
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Signal Cond Unit
- Part number: 30005000056
- Part serial: MM5063MM4814
- Condition: Faulty
- Location: Autofeather Sys
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MASA2011031202137

## Discrepancy

AUTO FEATHER SYS DID NOT ARM ON T/O.  MX REPLACED 6121-K5 RELAY AND BOTH SIGNAL CONDITIONING UNITS.

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