# SDR HNAA2009082700266

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2009
- Submitted: August 27, 2009
- Operation: Air carrier
- Aircraft: [N911](https://openairdocs.org/aircraft/N911), registered now
- Make and model: Dhav DHC8102
- Aircraft serial: 034
- Aircraft time: 60,137 hours, 68,227 cycles
- System (JASC): [3100 · Indicating/Recording System](https://openairdocs.org/jasc/3100)
- Part: Relay
- Part number: DSC1581
- Condition: Failed
- Location: Flight Deck
- Part time: 60,137 hours, 68,227 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2009082700266

## Discrepancy

PRIOR TO DEPARTURE MASTER CAUTION PUSH TO RESET ILLUMINATED W/O CORRESPONDING CAUTION LIGHTS RESET, THERE AFTER MASTER CAUTION ILLUMINATED AFTER SWITCHES WERE SELECTED ON PRIOR TO T/O.  GPWS AND TERRAIN C/L ILLUM ONLY AT LAST M/C/L ILLUMINATION.  REMOVED AND REPLACED  RELAY 3315-K1 ON THE NR 1 RELAY PANEL IAW 33-13-00, NO FIX.  SLAVED IN DIM AND TEST CONTROL BOX, NO FIX.  REINSTALLED ORIGINAL.  REMOVED AND REPLACED  MASTER CAUTION PANEL IAW MM 33-12-01. EGPWS OPS GOOD AS IAW MANUAL 34-43-05. OK FOR SERVICE

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