# SDR ASAA2017100322100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2017
- Submitted: October 9, 2017
- Operation: Air carrier
- Aircraft: [N493AS](https://openairdocs.org/aircraft/N493AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41727
- Aircraft time: 5,766 hours, 1,942 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 676000141
- Part serial: 676000145352
- Condition: Faulted
- Location: Ram Air
- Part time: 5,809 hours, 1,958 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017100322100

## Discrepancy

RIGHT PACK LIGHT ILLUMINATED ON RECALL.  ACFT GROUNDED.    RT PACK/ZONE TEMP CONTROLLER BITE SHOWS NUMEROUS RT EXHAUST RAM AIR ACTUATOR FAULTS.  REMOVED & REPLACED THE RT EXHAUST ACTUATOR IAW AMM 21-51-27,  PACK TEMP CONTROL BITE GROUND FUNCTIONAL CHECKED NORMAL IAW FIM 21-62, TASK 801.

---
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.