# SDR ASAA201812287549

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2018
- Submitted: December 31, 2018
- Operation: Air carrier
- Aircraft: [N433AS](https://openairdocs.org/aircraft/N433AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41704
- Aircraft time: 20,538 hours, 6,730 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 676000141
- Part serial: 67600014790
- Condition: Faulted
- Location: Rt Ram Air Exhau
- Part time: 7,115 hours, 2,308 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA201812287549

## Discrepancy

RIGHT PACK TRIP OFF LIGHT ON RECALL. GROUNDED - YES. PERFORMED BITE CHECK OF RH PACK/ZONE TEMP CONTROLLER PER B737-900 AMM 21-51-00/501. FOUND SRADA EXIT FAULT ILLUMINATED DURING PREV FLT. REPLACED R/H RAM AIR ACTUATOR (EXIT ACTUATOR) PER AMM 21-51-27 LINKAGE MOVES FREELY.  INSTALLATION TEST PASSED.

---
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.