# SDR AALA202109295208

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2021
- Submitted: September 30, 2021
- Operation: Air carrier
- Aircraft: [N342PM](https://openairdocs.org/aircraft/N342PM), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31269
- Aircraft time: 11,966 hours, 5,069 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 22064002
- Part serial: 0462
- Condition: Damaged
- Location: Left
- Part time: 36,457 hours, 14,816 cycles
- Stage of operation: TO
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202109295208

## Discrepancy

AIRCRAFT WAS GROUNDED: SULFUR SMELL ON TAKEOFF POWER AND DURING FINAL APPROACH. REPLACED AIR CYCLE MACHINE OF LH PACK IAW AMM 21-51-04, OPS CHECK GOOD.

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