# SDR TWRA9901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N620FF
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21162
- System (JASC): [2620 · Extinguishing System](https://openairdocs.org/jasc/2620)
- Part: Switch
- Part number: 332632102001
- Condition: Failed
- Location: Fe Panel
- Component: Korry
- Stage of operation: AP
- Nature of condition: N
- Precautionary procedure: F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWRA9901

## Discrepancy

FLT 51 - SFO-JFK - AFT CARGO FIRE WARNING CAME ON DURING DESCENT, FOLLOWED EMERGENCY CHECKLIST, DISCHARGED NR 1 FIRE BOTTLE.  LOWER CARGO FIRE BOTTLE NR 2 PUSHBUTTON WOULD NOT PUSH IN TO DISCHARGE THE FIRE BOTTLE.  REMOVED AND REPLACED LOWER CARGO FIRE PROTECTION MODULE DUE NR 2 FIRE BOTTLE PUSH BUTTON WOULD NOT PUSH IN PER MM 26-23-01.  OPS CHECK OK PER MM 26-23-00, PAGE 501.  (M)

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