# SDR SIMA202005121002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2020
- Submitted: May 14, 2020
- Operation: Air carrier
- Aircraft: [N923AE](https://openairdocs.org/aircraft/N923AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500907
- Aircraft time: 37,302 hours, 32,128 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA202005121002

## Discrepancy

SUPPLEMENTAL DURING CLIMB WHILE PERFORMING THE ANTI-ICE CHECK BLD VLV FAIL #2 AND PACK 2 OVT CAME ON.-C/A-PERFORMED PNEU. A/I CHECK WITH CREW REF. AMM 30-00-00 OPS CHECK GOOD. CHECKED CMC AND FOUND 2 OCCURANCES OF PRECOOLR 1 SYS FAIL. DEFERRED PACK 1. MEL AUTH# 050130D-C REF# 21-30 MOC# 628765. PERFORMED OPS CHECK OF #1 PACK SYSTEM NO DEFECTS NOTED I/A/W AMM 21-51-00 MEL ITEM RESTORED

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