# SDR QXEA2021121400549

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2021
- Submitted: December 14, 2021
- Operation: Air carrier
- Aircraft: [N638QX](https://openairdocs.org/aircraft/N638QX), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000757
- Aircraft time: 8,865 hours, 5,433 cycles
- System (JASC): [3000 · Ice/Rain Protection System](https://openairdocs.org/jasc/3000)
- Part: None
- Condition: None
- Stage of operation: DE
- 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/QXEA2021121400549

## Discrepancy

DESCENDING THROUGH 17000' OAT -4DEG C, MODERATE ICE, A=I WING 1 LEAK EICAS WARNING ILLUMINATED. RAN QRH CHECKLIST AFTER PUSHING ICE PROTECTION WING BUTTON OUT, MESSAGE EXTINGUISHED. DIVERTED. LANDING UNEVENTFUL. REMOVED FROM SERVICE. CHECKED CMC FOR MSG FAULTS PER AMM 45-45-00-970-803-A. NO FAULTS WITH MX MSG. PERFORMED FIM 30-11-00-810-818 FOR LEFT SYS ANTI-ICE SYS LEAK, ODS BIT CHECK PASSED. PERFORMED WTAIS OPS TEST PER FIM & AMM 30-11-00-710-801A, TEST PASSED. FAULT FOUND TO BE TRANSITORY CONDITION OF AMS CONTROLLER PROCESSOR MODULE. A-I WING 1 LEAK MSG EXTINGUISHED AND DID NOT RETURN. RETURNED TO SERVICE.

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