# SDR ASAA2022082339627

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2022
- Submitted: August 24, 2022
- Operation: Air carrier
- Aircraft: [N428AS](https://openairdocs.org/aircraft/N428AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36353
- Aircraft time: 23,690 hours, 7,428 cycles
- System (JASC): [8010 · Engine Cranking](https://openairdocs.org/jasc/8010)
- Part: Starter
- Part number: 1851M36P12
- Part serial: GRT18075
- Condition: Faulty
- Location: #1 Engine
- Part time: 23,687 hours, 7,426 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022082339627

## Discrepancy

AFTER #2 ENG START AND AFTER AC PANEL CONFIGURED TO START #1 ENG THE DURING #1 ENG START N2 VERY SLOW TO REACT 25% NORMAL START AFTER THAT ALL OTHER INDICATIONS NORMAL. PANEL CONFIG FOR #1 ENG START LH PACK OFF, ISO VALVE CLOSED, RH PACK AUTO, BOTH ENG BLEED SWS ON, APU BLEED SW ON. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE STARTER REF B737-900 AMM 80-11-01.

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