# SDR XNOA1231

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2005
- Submitted: April 19, 2005
- Operation: Air carrier
- Aircraft: N76752
- Make and model: Boeing 727227
- Aircraft serial: 21248
- Aircraft time: 56,937 hours, 36,413 cycles
- System (JASC): [3100 · Indicating/Recording System](https://openairdocs.org/jasc/3100)
- Part: Selector Switch
- Condition: Burned Out
- Location: Freq Meter
- Stage of operation: TX
- How discovered: V
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/XNOA1231

## Discrepancy

AFTER STARTING NR 3 ENGINE, AC FREQUENCY METER PEGGED OUT AND SMOKE POURED OUT OF FREQ (AC) SELECTOR SWITCH.  REMOVED AND REPLACED AC FREQ METER SELECTOR SWITCH AND OPS CHECK OKAY IAW B727 MM 24-20-00.

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