# SDR SWAA2021101528986

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2021
- Submitted: October 15, 2021
- Operation: Air carrier
- Aircraft: [N8545V](https://openairdocs.org/aircraft/N8545V), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63573
- Aircraft time: 6,393 hours, 13,764 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Coupling
- Condition: Detached
- Location: Air Duct
- Stage of operation: CL
- 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/SWAA2021101528986

## Discrepancy

BURNING SMELL AFTER TAKE OFF WITH NO AIRFLOW TO FLIGHT DECK SMELL WENT AWAY 180 ALSO AIR FLOW RESTRED ALSO AROUND THAT ALT. / FOUND ONE FLIGHT DECK AIR DISTRUBTION DUET COUPLING OFF AND ONE DUCT WITH 3' HOLE. REINSTALLED DUCT COUPLING AND RR'D 90 DEGREE DUCT ELBOW THAT WAS DAMAGED (PN 214A1147-7) IAW AMM 21-20-02. NO FURTHER DEFECTS FOUND AT THIS TIME

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