# SDR AALA20150414002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2015
- Submitted: April 14, 2015
- Operation: Air carrier
- Aircraft: [N434AA](https://openairdocs.org/aircraft/N434AA), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49452
- Aircraft time: 84,541 hours, 39,592 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Dirty
- Location: Zone 100
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20150414002

## Discrepancy

DURING CLIMB A STRONG ACRID ODOR WAS DETECTED WHICH INCREASED IN STRENGTH & SPREAD TO THE CABIN.  SOME EYE IRRITATION NOTICED.  ODOR BEGAN TO DISSIPATE AFTER LANDING. EMERGENCY DECLARED & LANDING UNEVENTFUL.  LANDING UNEVENTFUL.  TROUBLE SHOT IAW 21-20-00 & DETERMINED POLLEN TO BE ODOR SOURCE.  ACCOMPLISHED PACK BURN OUT IAW CARD 21-92-12.  SYS CHECKED NORMAL.

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