# SDR ASAA2023022442057

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2023
- Submitted: February 27, 2023
- Operation: Air carrier
- Aircraft: [N481AS](https://openairdocs.org/aircraft/N481AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44106
- Aircraft time: 28,044 hours, 8,767 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: None
- Part number: 22064002
- Part serial: 11867
- Condition: None
- Location: Left Pack
- Part time: 28,043 hours, 8,767 cycles
- Stage of operation: DE
- 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/ASAA2023022442057

## Discrepancy

LEFT PACK LT ILLUMINATED ON DESCENT - REMAINED ON RECALL. GROUNDED - YES. REMOVED AND REPLACED LEFT PACK ACM PER B737-900 AMM 21-51-04 (REF LP 60565353).

---
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.
