What was found
PDX FLIGHT NR 2149 - ATTITUDE AND HEADING FAIL MESSAGES IN HDG. MAINTENANCE REALIGNED IRS BYU POWERING DOWN AIRCRAFT, POWER UP CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- February 22, 2007
- Submitted
- February 26, 2007
- Operation
- Air carrier
- Aircraft
- N352PH
- Make and model
- Dhav DHC8202
- Aircraft serial
- 494
- Aircraft time
- 27,165 hours, 31,532 cycles
- System (JASC)
- 3420 · Attitude and Direction Data System
- Part
- Irs
- Condition
- Out Of Alignment
- Location
- Cockpit
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.