# SDR COEA2015021803807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2015
- Submitted: February 27, 2015
- Operation: Air carrier
- Aircraft: [N807FX](https://openairdocs.org/aircraft/N807FX), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 383
- Aircraft time: 34,587 hours, 38,698 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Computer
- Part number: 350A53001102
- Part serial: 416412
- Condition: Malfunctioned
- Location: Multi Function
- Stage of operation: AP
- 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/COEA2015021803807

## Discrepancy

FLIGHT 8234,  WHEN CREW EXTENDED THE LT MLG, THE UNLOCK LIGHT ILLUMINATED ON LT MAIN PRIMARY & SECONDARY WENT OFF AT 4 - 5 SEC AFTER FREE FALL.  ATTEMPTED THE GRAVITY ASSISTED PROCEDURES & WAS ABLE TO OBTAIN A FULL LOCKED GEAR INDICATION.  AN EMERGENCY WAS NOT DECLARED.  ACFT LANDED WITHOUT INCIDENT.   DURING GEAR RETRACTIONS, SECONDARY UNLOCK LIGHTS, ALL 3 ILLUMINATE INTERMITTENTLY EVERY 8TH RETRACTION.  REPLACED NR 1 & 2 MULTI-FUNCTION COMPUTERS IAW JIC 31-48-81 RAI 10000 REV 11.  PERFORMED NORMAL EXTENSION & RETRACTION FUNCTIONAL TEST OF THE LANDING GEAR IAW JIC 32-31-00 FUT 10000 REV 11.  SYS CHECKED GOOD.

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