# SDR ASAA2023073144321

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2023
- Submitted: August 4, 2023
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 54,288 hours, 16,455 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: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023073144321

## Discrepancy

LEFT PACK LIGHT ILLUMINATED AFTER RECALL. EXTINGUISHED WHEN RESET. GROUNDED - YES. (RESOLVED ON W/O: 1963712 TASKCARD: N/R-00004 ) ACCOMPLISHED FIM 21-53 TASK 821 AND PACK/ZONE TEMPERATURE CONTROLLER BITE PER AMM 21-61-00-700-806-002 NO FAULTS NOTED. RAN PACKS FOR 10 MINUTES AND RE-ACCOMPLISHED PACK/ZONE TEMPERATURE CONTROLLER BITE, STILL NO FAULTS NOTED AND PACKS OPERATED NORMALLY. A/C RELEASED FROM MEL 21-32B C/N 31004506 REMOVED SEAMC MITCH NOTIFIED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.