# SDR ASAA2023101145645

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2023
- Submitted: October 16, 2023
- Operation: Air carrier
- Aircraft: [N918AK](https://openairdocs.org/aircraft/N918AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44083
- Aircraft time: 9,153 hours, 2,770 cycles
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Regulator Valve
- Part number: 632160643
- Part serial: 2652
- Condition: Malfunctioned
- Location: #1 Engine
- Part time: 2,795 hours, 817 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023101145645

## Discrepancy

1 ENGINE ANTI ICE LIGHT IS ILLUMINATED. GROUNDED - YES. INTERGRATED OMF FAULT CODE 36-21010 SHOWING REF FIM 36-21-00-810-801 STATES TO REPLACE PRSOV REPLACED PRSOV FOR ENG 1 IAW AMM 36-11-04-000-801 LEAK CHECK/OPS CHECK GOOD FAULT CODE IS CLEARED GROUND VERIFICATION TEST PASSED SEAMC DAVE NOTIFIED TSAR174M.

---
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.