# SDR 99FDEA00177

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N258FE](https://openairdocs.org/aircraft/N258FE), registered now
- Make and model: Boeing 727233
- Aircraft serial: 20940
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Control Unit
- Part number: 652492
- Condition: Malfunctioned
- Location: E & E Compt
- Stage of operation: CR
- Nature of condition: N
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99FDEA00177

## Discrepancy

LOWER BODY O/H LIGHT ILLUM, WITH BOTH PACKS ON NR 1 ENG BLD CLOSED NR 2 AND 3 ENG BLD OPEN.  RAN RED TABS 2-714 WHEN NR 1 BLD AND LT PACK OFF LIGHT WENT OUT.  REMOVED AND REPLACED AFT BODY O/H DETECTION DETECTOR AS PER MM 26-14-0, OPER CK NORM.

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