# SDR IPXA2024042687620

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2024
- Submitted: April 26, 2024
- Operation: Air carrier
- Aircraft: [N274UP](https://openairdocs.org/aircraft/N274UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48575
- Aircraft time: 77,030 hours, 16,732 cycles
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Electrical Sys
- Condition: No Test
- Location: Emergency
- 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/IPXA2024042687620

## Discrepancy

EMERGENCY PWR TEST FAIL REMOVED & REPLACED BOTH MAIN BATTERIES PER AMM 24-34-02 - BATTERY OPS CHECK NORMAL. PERFORMED TEST OF EMERGENCY POWER SYSTEM, TEST INITIALLY PASSED AND THEN BEGAN CONTINUOUSLY RUNNING THE EMERGENCY POWER TEST WITHOUT BEING PROMPTED BY ANY INPUTS. FURTHER T/S REQUIRED. C/W TECH ALERT FOR EMERGENCY POWER TEST. REF T3F18E004CUST. OPS CHECKS GOOD PER MM 24-24-00.

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