What was found
ALTITUDE ALERT SYSTEM INOP. REPLACED ALTITUDE ALERT COMPUTER AND TESTED OK PER MM 34-16-00.
- Difficulty date
- April 2, 2005
- Submitted
- April 4, 2005
- Operation
- Air carrier
- Aircraft
- N509MC
- Make and model
- Boeing 747230B
- Aircraft serial
- 21221
- Aircraft time
- 113,006 hours, 21,486 cycles
- System (JASC)
- 3420 · Attitude and Direction Data System
- Part
- Computer
- Part number
- 96501840001
- Condition
- Inoperative
- Location
- Altitude
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.