# SDR UPS99228620

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N211UP
- Make and model: Boeing 727247
- Aircraft serial: 21700
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Light
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: TX
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS99228620

## Discrepancy

INSPECTION TYPE-N/A, BLOCK TURN BACK DUE TO APU FIRE LIGHT ON INDICATION.  PULLED THE SWITCH AND PRESS THE DISCHARGE BUTTON.  DEFERRED APU PER MEL 49-1 AND DEFERRED FIRE WARNING SYSTEM PER MEL 26-11-0-2.

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