# SDR 2001F00264

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2001
- Submitted: September 5, 2001
- Operation: Air carrier
- Aircraft: [N541NA](https://openairdocs.org/aircraft/N541NA), registered now
- Make and model: Boeing 757-23A
- Registry model: [Boeing 757-23A](https://openairdocs.org/model/boeing-757-23a) (OpenAirDocs)
- Aircraft serial: 24291
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Module
- Part number: 285T003219
- Condition: Malfunctioned
- Location: E/E Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001F00264

## Discrepancy

MASTER CAUTION/WARNING LIGHT SWITCH ILLUMINATED AFTER TAKEOFF WITHOUT ANY ASSOCIATED EICAS MESSAGE OR ANNUNCIATOR LIGHT.  MASTER CAUTION COULD NOT BE RESET.  REMOVED AND REPLACED MASTER WARNING MODULE, OPS CHECK GOOD.  (M)

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