# SDR UPS00432237

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2000
- Submitted: April 14, 2000
- Operation: Air carrier
- Aircraft: [N673UP](https://openairdocs.org/aircraft/N673UP), registered now
- Make and model: Boeing 747123F
- Aircraft serial: 20325
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: Inoperative
- Location: Cargo Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: B, N
- Precautionary procedure: F, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS00432237

## Discrepancy

15 MIN AFTER TAKEOFF,   LOWER AFT CARGO FIRE LIGHT ILLUMINATED.  LOWER AFT CARGO FIRE CHECKLIST ACCOMPLISHED, BOTH BOTTLES DISCHARGED.     REMOVED AND REPLACED NR 3 AND NR 6 AFT LOWER CARGO SMOKE DETECTORS PER 2 6-16-02 SYSTEM OPS CKS GOOD. ALSO REMOVED AND REPLACED BOTH CARGO COMPARTMENT FIRE EXTINGUISHER BOTTLES IAW MM 26-23-01.

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