What was found
*A/R* DUE TO LOSS OF ALTITUDE AND SPEED READOUTS ON THEIR INTEGRATED STANDBY FLIGHT DISPLAY.ISFD SPEED AND ALTITUDE FLAGS REPLACED ISFD. OPS. CK. GOOD. TEST RESULT DISPLAYS TEST OK. REF AMM-34-24-02-400-801.
- Difficulty date
- May 26, 2025
- Submitted
- May 29, 2025
- Operation
- Air carrier
- Aircraft
- N76010
- Make and model
- Boeing 777224
- Aircraft serial
- 29480
- Aircraft time
- 121,301 hours, 12,580 cycles
- System (JASC)
- 3400 · Navigation System
- Part
- Indicator
- Part number
- C16221QA01
- Part serial
- C16221018054
- Condition
- Faulty
- Location
- Flight Deck
- Part time
- 60,761 hours, 6,199 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.