# SDR ASAA2022032137742

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2022
- Submitted: March 23, 2022
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 56,694 hours, 16,548 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022032137742

## Discrepancy

RIGHT PACK LIGHT ILLUMINATED AFTER ENGINE START AND RECALL PRESSED. GROUNDED - YES. RH PACK PRIMARY TEMP CONTROL INOP REF B737-800 FIM TASK 21-53 TASK 821, #2 PZTC BITE LOGGED THIS PACK TCV, FAULT RESETTABLE. PZTC BITE VERIFY TEST GOOD W/O FAULTS, VERIFIED RIGHT PACK OPS CHECKED NORMAL ON GND W/O FAULTS.

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