# SDR 98ZZZX866

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N26CB](https://openairdocs.org/aircraft/N26CB), registered now
- Make and model: Cessna 525
- Registry model: [Cessna 525](https://openairdocs.org/model/cessna-525) (OpenAirDocs)
- Aircraft serial: 5250117
- System (JASC): [3500 · Oxygen System](https://openairdocs.org/jasc/3500)
- Part: Regulator
- Part number: 17227001
- Condition: Burned
- Location: Oxygen Bottle
- Part time: 616 hours
- Component: 17627450
- Stage of operation: IN
- Nature of condition: A
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX866

## Discrepancy

DURING RE-INSTALLATION OF OXYGEN BOTTLE AFTER HYDROSTATIC TEST, MECHANIC NOTED SOUND LIKE OXYGEN LEAK.  DURING ATTEMPT TO TIGHTEN FITTING, NOTED GREEN GLOW AT REGULATOR, WITH SPARKS.  MECHANIC CLEARED AREA AND 2 EXPLOSIONS NOTED.  FIRE BURNED HOLES IN AIRCRAFT NOSE SKIN BELOW OXYGEN REGULATOR, FIRE EXTINGUISHER USED, FIRE PUT OUT.  INSPECTION FOUND REGULATOR BURNED THROUGH ABOUT MID-WAY.

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