# SDR CALA2026092219682

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2026
- Submitted: September 23, 2026
- Operation: Air carrier
- Aircraft: [N47281](https://openairdocs.org/aircraft/N47281), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 62535
- Aircraft time: 14,027 hours, 4,778 cycles
- Engine: Cfmint LEAP1B28
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Sensor
- Part number: 51090450001
- Condition: Faulted
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026092219682

## Discrepancy

ENG ANTI-ICE LIGHT IS ON PILOT DEBRIEF ENG 1 ANTI ICE LIGHT CAME ON AFTER CLIMB OUT WHEN TURNED OFF PILOT DEBRIEF ENG 1 ANTI ICE LIGHT CAME ON AFTER CLIMB OUT WHEN TURNED OFF ENG 1 INTERMEDIATE DUCT PRESSURE SENSOR SIGNAL OUT OF RANGE MSG 36-21010 LATCHED. IASC- LT. BLEED PI SENSOR L STAUS MESSAGE. REF FIM TASK 36-21 TASK 801. VERIFIED FAULT OCCURRED DURING FLIGHT PHASE CLIMB.  REF LOG 3348631 PRSOV WAS CHANGED ON 20 SEP 26. REPLACED NR 1 ENG PI SENSOR PER AMM 36-11-05-000/400-801. ELECTRICAL LRU - REPLACEMENT TEST, TASK 36-00-00-710-801 PASSED. MAINT MSG 36-21010 NO LONGER ACTIVE OR LATCHED, ENG ANTI ICE LIGHT EXTINGUISHED. RAN ENGINE AT IDLE, TURNED ENGINE ANTI ICE ON. NO FAULTS NOTED.

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