Service difficulty report · Warning Flag · Boeing 737890
FAA SDR system
- Difficulty date
- April 2, 2016
- Submitted
- April 4, 2016
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35199
- Aircraft time
- 23,003 hours, 6,888 cycles
- Part
- Warning Flag
- Condition
- False Activation
- Location
- Flt Director
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PRE-FLIGHT BOTH FLIGHT DIRECTOR FLAGS IN VIEW. IAS/MACH WINDOW IN MCP CLOSED. ALTITUDE WINDOW IN MCP INDICATED 50000 & UNABLE TO MOVE. ACFT GROUNDED. CYCLED POWER TO ACFT. MCP & D/D OPS RESTORED. OPS CHECK NORMAL, REF AMM 22-11-33. BITE TEST NR 35 & 49 ACCOMPLISHED. HGS SENSOR TEST NORMAL, REF HGS SMM 34-36-00. ACFT REMAINS CAT IIIA & AUTOLAND.