# SDR ASAA2022021137498

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2022
- Submitted: February 23, 2022
- Operation: Air carrier
- Aircraft: [N487AS](https://openairdocs.org/aircraft/N487AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44108
- Aircraft time: 23,242 hours, 7,208 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Actuator
- Part number: 676000141
- Part serial: 676000144646
- Condition: Inoperative
- Location: R Ramair Exh Duc
- Part time: 23,364 hours, 7,252 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022021137498

## Discrepancy

REPORTS OF RIGHT PACK TRIP DURING CLIMB---(#PRI2)---ETOPS SIGNIFICANT SYSTEM---. GROUNDED - YES. ACCOMPLISHED LH AND RH RZTC BITE CHECK REF 21-62 TASK 801. NO DEFECTS. COMPLIED WITH RAM AIR SYSTEM OPERATIONAL TEST REF B737-900 AMM 21-51-00-730-801, DOOR DOES MOVE FREELY AND MODULATING PANEL MOVES SMOOTH AND FREE. COMPLIED WITH INSPECTION OF R/H RAM AIR INLET LINKAGE REF AMM 21-51-22-200-802K FOR REQUIRED TO OPERATE LINKAGE WAS 4LBS. REPLACED R/H RAM AIR EXHAUST ACTUATOR REF AMM 21-51-27-400/000-801. ALL TESTS HAVE PASSED.

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