# SDR CALA2024111301120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2024
- Submitted: November 13, 2024
- Operation: Air carrier
- Aircraft: [N224UA](https://openairdocs.org/aircraft/N224UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30225
- Aircraft time: 86,150 hours, 10,052 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: DE
- 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/CALA2024111301120

## Discrepancy

TEST FLIGHT DISCREPANCY . . BURNING SMELL ON DESCENT PASSING 14K. DISSIPATED ON LDG. ONLY IN COCKPIT. PERFORMED OPS CK OF BOTH PACKS ON GROUND WITH APU REF AMM 21-00-00. COULD NOT DUPLICATE SMELL. OPS CK GOOD. NOTE: REF FIM 21-00 TASK 808. RAN ALL FANS, AND GALLEY EQUIPMENT, FLT DECK HEATERS AND OPERATED PACKS USING ENG AIR. NO ABNORMAL ODORS NOTED

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