# SDR HNAA2020072800236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2020
- Submitted: July 28, 2020
- Operation: Air carrier
- Aircraft: [N624AE](https://openairdocs.org/aircraft/N624AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145111
- Aircraft time: 46,837 hours, 44,065 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Anti-Ice Valve
- Condition: Out Of Limits
- Location: Wing
- Stage of operation: CR
- 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/HNAA2020072800236

## Discrepancy

WING A-ICE FAIL TWICE DURING TEST IN FLIGHT. MAINTENANCE: FOUND WING 1 A/I LOW PSI ON CMC. PERFORMED WING THERMAL A/I FUNCTION TEST AND FOUND WING 1 A/I VALVE OUTLET PSI OUT OF LIMITS. R&R'D WING 1 A/I VALVE IAW EMB 145 AMM 30-11-01 LEAK CHECK GOOD OPS CHECK FAIL. PERFORMED LEAK CHECK AND FOUND PSI DAMPER B-NUT LOOSE. TIGHTENED B-NUT IAW 30-11-14 OPS AND LK CHECK GOOD.

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