# SDR A6WA2018032245634

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2018
- Submitted: March 22, 2018
- Operation: Air carrier
- Aircraft: [N445AW](https://openairdocs.org/aircraft/N445AW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7804
- Aircraft time: 34,296 hours, 33,697 cycles
- System (JASC): [3620 · Pneumatic Indicating System](https://openairdocs.org/jasc/3620)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/A6WA2018032245634

## Discrepancy

CLIMBING THROUGH FL210 RECEIVED ANTI ICE WARNING WITH OVERHEAT INDICATION, C/W QRH MESSAGE PERSISTED. AIR RETURNED TO ROC PER QRH, FLAPS 20 REF 45+30 KNOTS (SPEED WAS 169) NO THRUST REVERSERS AVAILABLE/FULL BRAKING. TEMPS AT GATE 8-10-5-5 LANDING WEIGHT 46,000 LBS. ANTI ICE DUCT SWITCH LIGHT OVERHEAT SECTION ILLUMINATED (WING), NO DUCT FAIL LIGHTS ILLUMINATED ON ANY SWITCH. WARNING CLEARED IN FLIGHT APPROXIMATELY 5-10 MINUTES AFTER RUNNING QRH. WHEN WARNING WAS RECEIVED 14TH STAGE SOV INDICATED OPEN, 10TH STAGE SOV INDICATED OPEN, APU LCV INDICATED CLOSED, ISOLATION VALVE CLOSED.

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