# SDR ASAA11510201

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2011
- Submitted: August 8, 2011
- Operation: Air carrier
- Aircraft: [N557AS](https://openairdocs.org/aircraft/N557AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35176
- Aircraft time: 19,553 hours, 5,811 cycles
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Battery
- Part number: 024147000
- Part serial: 09052000CF1C9
- Condition: Discharged
- Location: E&E Bay
- Part time: 3,840 hours, 1,259 cycles
- Stage of operation: IN
- 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/ASAA11510201

## Discrepancy

APU WILL NOT START, LOW BATTERY VOLTAGE.  REPLACED MAIN BATTERY (AFT) AND OPS NML REF MM 24 31 11.  REPLACED FWD AUX BATT & OPS CHECKED NORMAL PER MM 24 31 11.  APU STARTS NORMAL ON BATTS REF STEP 4I OF MM 24 31 11.

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