# SDR 2007UALA01645

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2007
- Submitted: May 29, 2007
- Operation: Air carrier
- Aircraft: [N791UA](https://openairdocs.org/aircraft/N791UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26933
- Aircraft time: 42,304 hours, 6,473 cycles
- Engine: Pwa PW4090
- System (JASC): [2500 · Cabin Equipment/Furnishings](https://openairdocs.org/jasc/2500)
- Part: Switch
- Condition: Faulty
- Location: Mode Selector
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA01645

## Discrepancy

CABIN MED 3RT FAILED EPAS BATTERY OPERATIONAL TEST.  [06-20-07]  REPLACED MODE SELECTOR SWITCH AND OPS CHECK PER MM 52-11-28, AND COA208701. TEST OK.   A/C OK FOR SERVICE.

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