# SDR 3EJA202601140001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2025
- Submitted: January 14, 2026
- Operation: Air carrier
- Aircraft: [N865JS](https://openairdocs.org/aircraft/N865JS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605283
- Aircraft time: 14,892 hours, 10,202 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Switch
- Part number: 92722321
- Part serial: 1606
- Condition: Failed
- Location: Zone 100
- Part time: 14,892 hours, 10,202 cycles
- 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/3EJA202601140001

## Discrepancy

AT ROTATION ACM OVERHEAT ANNUNCIATOR ILLUMINATED WITH MASTER CAUTION.   REMOVED ECU OVERTEMP SWITCH AND REPLACED WITH A NEW SWITCH IAW AMM 21-51-01. REMOVED OTBD ACM EXHAUST DUCT AND REPLACED WITH A SERVICEABLE DUCT IAW AMM 21-51-00. REMOVED ACM EXHAUST ELBOW DUCT AND REPLACED WITH A SERVICEABLE DUCT IAW AMM 21-51-00. OPERATIONAL CHECKED.

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