# SDR ASAA2015082312875

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2015
- Submitted: August 27, 2015
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 25,616 hours, 7,701 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 5416744
- Part serial: 12693
- Condition: Malfunctioned
- Location: Ram Air Exhaust
- Part time: 27,481 hours, 8,483 cycles
- Stage of operation: AP
- 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/ASAA2015082312875

## Discrepancy

LEFT PACK LIGHT ON LANDING CHECK RECALL, DID RESET.  ACFT GROUNDED. INTERROGATED LT NR 1 ZONE TEMP CONTROLLER.  FOUND HARD FAULT FOR THE LT RAM AIR DOOR ACTUATOR, REF: AMM 21-61-00.  REMOVED AND INSTALLED NEW LT RAM AIR DOOR ACTUATOR.  REF; AMM 21-51-21. ALL TESTS GOOD, ZONE TEMP CONTROLLER INTERROGATED GOOD.

---
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.