# SDR ASAA2019021428191

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2019
- Submitted: February 20, 2019
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 40,958 hours, 12,459 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/ASAA2019021428191

## Discrepancy

RIGHT PACK LIGHT ILLUMINATED DURING RECALL. EXTINGUISHED AFTER RESET. GROUNDED - YES. PERFORMED RIGHT PZTC BITE & FAULT REVIEW REF AMM 21-51-00. FOUND 1 HIT FOR RIGHT RAM AIR ACT IN PREV FLT. NO FAULTS IN BIT OR VERIFY. RESET FAULTS. VERIFIED PROPER RT RAM AIR DOOR OPERATION DURING VERIFY TEST/BITE. NO FAULTS. PERFORMED RT PACK/CABIN TEMP CONT AND IND OPS TEST REF AMM 21-61-00. OPS CKS GOOD. NO PACK LT NR 2 30 DAY HISTORY. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.

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