# SDR ASOA03625

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2003
- Submitted: January 15, 2004
- Operation: Air carrier
- Aircraft: [N871AS](https://openairdocs.org/aircraft/N871AS), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7537
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Pdu
- Part number: 1267587
- Condition: Inoperative
- Location: Thrust Reverser
- Stage of operation: CL
- 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/ASOA03625

## Discrepancy

FLT 4766 - DURING CLIMB-OUT FROM RDU-DFW, AT APPROXIMATELY 14,000 FEET THE CREW RECEIVED A RIGHT THRUST REVERSER UNLOCKED CAUTION MESSAGE.  QRH PROCEDURES WERE COMPLIED WITH, AN EMERGENCY DECLARED AND THE AIRCRAFT RETURNED TO RDU, LANDING SAFELY.  MAINTENANCE DEFERRED THE RIGHT THRUST REVERSER ON 12/3/2003 UNDER MEL NR 78-30-01.  THE ABOVE DISCREPANCY WAS UNDER CONTINUED DEFERRAL WITH THE REPAIRS PERFORMED ON 12/5/2003 AND THE CORRECTIVE ACTION SHOWN ON MRR NR 03624, IN WHICH MAINTENANCE REMOVED AND REPLACED THE POWER DRIVE UNIT SHOWN BELOW AT THAT TIME.  (M)

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