# SDR ASAA2019101391185

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2019
- Submitted: October 31, 2019
- Operation: Air carrier
- Aircraft: [N419AS](https://openairdocs.org/aircraft/N419AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41734
- Aircraft time: 26,275 hours, 8,521 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: Fcu
- Part number: 4419215
- Part serial: CUC13072
- Condition: Faulted
- Location: Apu
- Part time: 10,348 hours, 19,286 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019101391185

## Discrepancy

REF LP 11918694 CSF REQUIREMENTS, APU FAILED CSS. GROUNDED - YES. REPLACED APU LUBE MODULE REF B737-900 AMM 49-91-11 AND FUEL CONTROL UNIT REF AMM 49-31-11. OPS/LEAK CHECK OK.

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