# SDR SCNA20260316125

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2026
- Submitted: March 16, 2026
- Operation: Air carrier
- Aircraft: [N5233A](https://openairdocs.org/aircraft/N5233A), registered now
- Make and model: Boeing 737824
- Aircraft serial: 32409
- Aircraft time: 56,190 hours, 27,076 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20260316125

## Discrepancy

NOXIOUS FUMES IN COCKPIT ON GROUND WITH PACKS OPS,  SORE THROAT, CONGESTION,  HAD TO VACATE FLIGHT DECK.   OPENED LT PACK DOOR, INSPECTION FOUND NO ODOR IAW 21-51-00. RAN LT & RT PACKS  IAW AMM 21-00-00-800-803.  COULD NOT DETECT ODORS, WALKED CARGO AREA, CARGO PITS, NO ODOR NOTED. OPEN FWD AND AFT E&E DOORS IAW AMM 52-48-41, NO ODOR NOTED.  NO IRRATATION OF EYES OR NOSE IN FLIGHT DECK AS WE WORKED.  CHECKED LT PACK FOR HYD CONTAMINATION, NONE FOUND. COMPLETED PACK BURN OUT IAW FIM 21-00 TASK 506. CHECKED FLIGHT DECK MUFFLER, NO CONTAMINATION.

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