# SDR UPS05843869

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2005
- Submitted: February 11, 2005
- Operation: Air carrier
- Aircraft: N748UP
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 45948
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: Actuator
- Part number: 179894
- Part serial: 449
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS05843869

## Discrepancy

CREW LOST NR 2 INS WITH A WARNING LIGHT.  SMELLED ELECTRICAL FUMES FROM PEDESTAL AREA.  TURNED NR 2 INS OFF.  NOTICED PTC WAS NOT FULLY RETRACTED AND HAD 3/8 EXTENSION SHOWING.  FOLLOWED PROCEDURES FOR PTC NOT FULLY RETRACTED.  CREW DECLARED EMERGENCY W/TULSA.  REMOVED AND REPLACED PTC ACTUATOR AND TESTED PER MM 27-30-07.  OPS CHECKS GOOD ON GROUND.

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