# SDR 01FDEA00238

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2001
- Submitted: April 6, 2001
- Operation: Air carrier
- Aircraft: [N147FE](https://openairdocs.org/aircraft/N147FE), registered now
- Make and model: Boeing 727-22
- Registry model: [Boeing 727-22](https://openairdocs.org/model/boeing-727-22) (OpenAirDocs)
- Aircraft serial: 19080
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Control Unit
- Part number: 473925
- Part serial: 4520
- Condition: Malfunctioned
- Location: Cargo Bay
- Stage of operation: TX
- How discovered: O
- Nature of condition: B, N
- Precautionary procedure: F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/01FDEA00238

## Discrepancy

WHILE HOLDING FOR T/O DURING CROSSBLEED START OF NR 3 ENG.  AFT CARGO SMOKE WARNING AND BELL ACTIVATED.  FIRED NR 1 FIRE BOTTLE INTO AFT CARGO COMPARTMENT.  WARNING STAY ON.  INPS AFT CARGO COMP.  NO FIRE OR SMOKE.  *S/D*  REMOVED AND REPLACED AFT CARGO COMP CONTROL ELECTRONICS UNIT PER MM 26-16-012.  SYS CK OK.  REPLACED AFT NR 1 FIRE BOTTLE PER MM 26-16-014-2.

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