# SDR NACA20030112

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2003
- Submitted: September 29, 2003
- Operation: Air carrier
- Aircraft: N99330
- Make and model: Doug DC-6A
- Registry model: [Doug DC-6A](https://openairdocs.org/model/douglas-dc-6a) (OpenAirDocs)
- Aircraft serial: 43576
- Aircraft time: 29,220 hours
- Engine: Pwa R2800*
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Warning
- Part number: N88A92
- Part serial: 5571196
- Condition: False Activation
- Location: Tail Heater
- Part time: 4,733 hours
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA20030112

## Discrepancy

TAIL HEATER FIRE WARNING INTERMITTENTLY CAME ON AFTER HEATER CHECK.   GROUND OPS CHECKED ANTI-ICE HEATER SYSTEM PER NAC DC-6 OPS MANUAL CH.14-20 SECT. C, CHECKED GOOD.  INSPECTED HEATER FOR VISUAL DISTRESS, NONE NOTED.

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