# SDR ASAA2015112914021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2015
- Submitted: December 3, 2015
- Operation: Air carrier
- Aircraft: [N435AS](https://openairdocs.org/aircraft/N435AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43292
- Aircraft time: 8,217 hours, 2,692 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 676000141
- Part serial: 67600014588
- Condition: Failed
- Location: Ram Air
- Part time: 7,988 hours, 2,609 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015112914021

## Discrepancy

LEFT RAM DOOR FULL OPEN LIGHT REMAINED ILLUMINATED ENTIRE FLIGHT.  ACFT GROUNDED.  CONFIRMED FAULT, LT PACK/ZONE TEMP CONTROLLER SHOWS RAM AIR ACTUATOR FAULT. R & R, FWD,  LT RAM AIR INLET ACTUATOR REF AMM TASK 21-51-21 & INSTALLED, AFT, LT RAM AIR EXHAUST ACTUATOR REF AMM TASK 21-51-27.  GROUND FUNCTIONAL CHECK NORMAL, REF AMM TASK 21-61-00-700-806-002 "PACK/ZONE TEMPERATURE CONTROLLER BITE TEST".

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