# SDR ASAA2017042220495

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2017
- Submitted: April 24, 2017
- Operation: Air carrier
- Aircraft: [N453AS](https://openairdocs.org/aircraft/N453AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36354
- Aircraft time: 13,122 hours, 4,312 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Unknown
- Condition: Malfunctioned
- Location: Ac Bay
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017042220495

## Discrepancy

R PACK RAM AIR LIGHT ON DURING ENTIRE CRUISE PORTION OF FLIGHT. GROUNDED - YES. ACCOMP PACK TEMP CONT BITE PROCEDURE BOTH SHOW NO FAULTS & NO LAST FLT FAULTS. ACCESSED RT STRAD VERIFIED GREEN IND LIGHT IS ON NO FAULTS NOTED. CLOSED ACCESS PNL. PUT A/C IN AIR MODE & VERIFIED RAM AIR DOOR CLOSES & BLUE IND IS OFF. RETURNED TO GROUND MODE RAM AIR DOOR OPENS & IND BLUE LIGHT IS ON. REACCOMP BITE PROCEDURE STILL NO FAULTS. REF FIM 21-51 TASK 803 STEPS G1 THROUGH 11E.

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