What was found
N1 OVERSPEED INDICATION NUMBER 2 ENGINE N1 OVERSPEED BEGAN DURING CLIMB AT 15,000FT . DURING APPROACH BACK EPR WENT BLANK. PILOTS REDUCED THROTTLE TO MATCH N1. AT DECENT ALL PERIMETERS WERE WITHIN LIMITS.
- Difficulty date
- February 9, 2025
- Submitted
- February 13, 2025
- Operation
- Air carrier
- Aircraft
- N57869
- Make and model
- Boeing 75733N
- Aircraft serial
- 32593
- Aircraft time
- 62,595 hours, 18,951 cycles
- System (JASC)
- 7714 · Engine RPM Indicating System
- Part
- Tachometer
- Condition
- Faulted
- Location
- Nr 2 N1
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.