What was found
F/O NAV DISPLAY OUTBOARD LIGHT SWITCH HAS A SHORT. CHECKED SWITCH CONFIRMED NO ELECTRICAL SHORTS EXIST AND SWITCH FUNCTIONS NORMAL. REPLACED SWITCH R2270 AND NAV DISPLAY, ALL CHECKED OKAY.
- Difficulty date
- June 26, 2011
- Submitted
- July 21, 2011
- Operation
- Air carrier
- Aircraft
- N197UA
- Make and model
- Boeing 747422
- Aircraft serial
- 26901
- Aircraft time
- 56,484 hours, 6,743 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3110 · Instrument Panel
- Part
- Switch
- Condition
- Faulted
- Location
- Instrument Panel
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.