# SDR ASAA2017082221698

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2017
- Submitted: September 6, 2017
- Operation: Air carrier
- Aircraft: [N440AS](https://openairdocs.org/aircraft/N440AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41705
- Aircraft time: 15,189 hours, 5,032 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: False Activation
- Location: Lt Ram Air
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017082221698

## Discrepancy

DURING CRUISE AT FL350,  THE LEFT RAM DOOR FULL OPEN ANNUNCIATOR CAME ON AND REMAINED ON.  ACFT GROUNDED.  LT PACK ZONE TEMP CONT BITE TESTED OK IAW FIM 21-62-801.  OPENED AND CLOSED TWO CIRCUIT BREAKERS ON P6-4 FOR ACTUATOR STOWAGE.  PERFORMED STEPS 1-6 ON LEFT PACK OF TSR AND FOUND NO FAULTS AT THIS TIME.

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