# SDR HNAA2019040100083

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2019
- Submitted: April 1, 2019
- Operation: Air carrier
- Aircraft: [N636AE](https://openairdocs.org/aircraft/N636AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145160
- Aircraft time: 44,169 hours, 41,021 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Control Valve
- Condition: Malfunctioned
- Location: Duel Temp
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2019040100083

## Discrepancy

PDIS  636     21-60  1938091  29MAR19  PWM  CLOSE
      PACK 2 AUTO TEMP CONTROL UNRESPONSIVE TO PILOT CONTR
      OLS. MANUAL DOES NOT PROPERLY CONTROL TEMP. MANUAL O
      NLY EFFECTIVE AT 9 OCLOCK OR LESS POSITION.
FACT  30MAR19  11:19  PHL
            R&R DUAL TEMP CONTROL VALVE IAW AMM 21-60-01 OPS CHE
            CK GOOD CLEAR MEL 21-15-3

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.