# SDR 2026F00190

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2026
- Submitted: August 27, 2026
- Operation: General aviation
- Aircraft: GRS
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 42842
- Aircraft time: 12,510 hours, 5,874 cycles
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: 2496M44P02
- Part serial: GRT78682
- Condition: Faulted
- Location: Lt Engine
- Part time: 2,770 hours, 1,071 cycles
- Stage of operation: TX
- 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/2026F00190

## Discrepancy

ENGINE #1 START VALVE DO NOT OPEN, WAS CARRY OUT PROCEDURE STARTER AIR VALVE WAS REPLACED IAW AMM 80-11-02-000-801-G00.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.