# SDR ASAA2022071639128

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2022
- Submitted: July 20, 2022
- Operation: Air carrier
- Aircraft: [N915AK](https://openairdocs.org/aircraft/N915AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44080
- Aircraft time: 3,869 hours, 1,232 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Cabin Air Sys
- Condition: Warning Light
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022071639128

## Discrepancy

OVERHEAD AMBER MAINT LIGHT ON AFTER LANDING. GROUNDED - YES. C/W BITE CHECK FOR R/H PACK AND FOUND MAINT MESSAGE 21-55011 RIGHT AIR CONDITIONING PACK EXIT RAM AIR DOOR ACTUATOR HAS A SIGNAL ERROR, C/W B737-9 IFIM REF TASK 21-51-00-810-804 THROUGH STEP C, VERIFIED 28.62 VDC AT CONNECTOR D14398 BETWEEN PINS 4 AND 16 OF R/H RAM AIR EXHAUST ACTUATOR REF B737-9 WDM 21-51-24 AND IFIM 21-51-00-810-804. REPLACED R/H RAM AIR EXHAUST ACTUATOR REF B737-9 AMM 21-51-27-400-801. PERFORMED AIR CONDITIONING SYSTEM TEST, AIR CONDITIONING IBIT REF AMM 21-00-00-730-801. TEST PASSED, NO FURTHER DEFECTS NOTED. VERIFIED MAINT LIGHT REMAINS EXTINGUISHED AND FAULT IS NOT LATCHED.

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