# SDR ASAA2021112336711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2021
- Submitted: November 30, 2021
- Operation: Air carrier
- Aircraft: [N483AS](https://openairdocs.org/aircraft/N483AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36350
- Aircraft time: 23,016 hours, 7,314 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TX
- 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/ASAA2021112336711

## Discrepancy

RIGHT PACK LIGHT ILLUMINATED AFTER START ON RECALL, AND EXTINGUISHES WHEN RECALL IS PUSHED. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 21-53 TASK 821, INITIAL BITE ON R PFTC FAULTED TCV, FAULT NOT ACTIVE AFTER RESET R PFTC, RAN BOTH PACKS TO FULL COOL & FULL WARM FOR SEVERAL MINUTES, RECALL TEST NORMAL NO FAULTS PRESENT REF B737-900 AMM 21-00-00.

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