# SDR UIEA2021102202273

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2021
- Submitted: October 26, 2021
- Operation: Air carrier
- Aircraft: [N1709A](https://openairdocs.org/aircraft/N1709A), registered now
- Make and model: Boeing 767375
- Aircraft serial: 24086
- Aircraft time: 97,453 hours
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Battery
- Part number: 018550000
- Part serial: 531902
- Condition: None
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021102202273

## Discrepancy

APU INOP.(<P>FOUND MAIN BATT DISCHARGED. SWAPPED APU BATTERY WITH MAIN BATTERY. TRANSFERRED TO MDDR 155522 MEL 49-11-01A CAT C.</P> / <P>REF LOG 1387369 ITEM 3:  REMOVED AND REPLACED APU BATT. OPS CHECK OK. THIS CLEARS MDDR 155522.</P>)

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