What was found
FO'S WXR AND TERR SELECT SWITCHES INTERMITTENLY DONT FUNCTION WHEN NEEDED. ALIGNED IRU'S AND CYCLED THROUGH CAPT AND FO'S WX AND TERR SWITCHED SEVERAL TIMES IN BOTH TEST AND WX POSITION. OPS CHECKED OK IAW AMM 34-43-00.
- Difficulty date
- October 9, 2018
- Submitted
- October 9, 2018
- Operation
- Air carrier
- Aircraft
- N1181A
- Make and model
- Boeing 7673Y0
- Aircraft serial
- 26206
- Aircraft time
- 84,178 hours, 20,723 cycles
- System (JASC)
- 3441 · Inertial Guidance System
- Part
- Iru
- Condition
- Out Of Alignment
- Location
- Cockpit
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.