What was found
(CAN) DURING FLIGHT, CAPTAIN'S HSI WAS DETERMINED TO BE GIVING WRONG HEADING INFORMATION. FLIGHT RETURNED TO BASE. DIRECTIONAL GYRO SWAPPED AND MAG FLUX VALVE INOPERATIVE, REPLACED.
- Difficulty date
- November 4, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Make and model
- Boeing 737204
- Engine
- Pwa JT8D15
- System (JASC)
- 3423 · Magnetic Compass
- Part
- Flux Valve
- Part number
- 2589419901
- Condition
- Sticking
- Location
- Hsi
- Stage of operation
- CR
- Nature of condition
- H
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.