# SDR DALA2026012300532

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2026
- Submitted: January 23, 2026
- Operation: Air carrier
- Aircraft: [N859DN](https://openairdocs.org/aircraft/N859DN), registered now
- Make and model: Boeing 737932ER
- Aircraft serial: 31970
- Aircraft time: 31,159 hours, 11,966 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Part number: 22064002
- Part serial: 12920
- Condition: Odor
- Location: Nr 1
- Part time: 31,153 hours, 11,962 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026012300532

## Discrepancy

(LOG 8525992) NR 1 PACK MADE A HUMMING SOUND & SMELL AND ELECT ODOR. NR 1 PACK LIGHT ILLUMINATED. REMOVED AND REPLACED LT PACK ACM IAW AMM 21-51. OPS CHKD GOOD.

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