# SDR ASAA2019070129886

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2019
- Submitted: July 3, 2019
- Operation: Air carrier
- Aircraft: [N459AS](https://openairdocs.org/aircraft/N459AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36352
- Aircraft time: 21,201 hours, 6,905 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: NR
- 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/ASAA2019070129886

## Discrepancy

RIGHT PACK LIGHT ILLUMINATES ON MASTER CAUTION RECALL, AND EXTINGUISHES ON RESET. GROUNDED - YES. RIGHT PACK/ZONE TEMPERATURE CONTROLLER BITE PER FIM 21-62 TASK 801 SHOWED "EXIT SRADA" FAULT LOGGED ON "PREV FLT" BUT NO FAULTS ON "BIT" AND VERIFY TEST PASSED. ACCOMPLISHED INITIAL EVALUATION FOR EXIT SRADA FAULT PER FIM 21-62 TASK 854 - AFTER ACTUATOR RESET PER STEP E.(2), PERFORMED PZTC VERIFY TEST PER FIM 21-62 TASK 801 - NO FAULTS.

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