# SDR ASAA2026090968622

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2026
- Submitted: September 10, 2026
- Operation: Air carrier
- Aircraft: [N846AK](https://openairdocs.org/aircraft/N846AK), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 68541
- Aircraft time: 676 hours, 217 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Lru
- Condition: Faulted
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026090968622

## Discrepancy

MAINT LIGHT ILLUMINATED. GROUNDED - YES. FOUND MAINTENANCE MESSAGE 36-10170 "IASC (BLEED) HAS NO ENGINE - 1 PS3 AND T3 DATA ON MDS-DPC GP 2 BUS DETECTED BY: INTEGRATED AIR SYSTEMS CONTROLLER (IASC) - LEFT". PERFORME DIFIM TASK 36-10-00-810-809 AND AMM 36-00-00-710-801 LRU REPLACEMENT TEST. TEST PASS. MTX LIGHT IS EXTINGUISHED. PER FIM INTERMITTENT FAULT, OK FOR SERVICE SEAMC ARNIE NOTIFIED.

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