What was found
LEFT ENGINE N1 VIBRATION AVERAGED 3.2 TO 3.5 ON CLIMBOUT AND CRUISE, NO AIRFRAME VIBRATIONS. LUBED MID-SPAN SHROUD PER AMM 72-31-02, CHECKED ALL BLADES, NO DAMAGE NOTED.
- Difficulty date
- January 13, 2024
- Submitted
- January 18, 2024
- Operation
- Air carrier
- Aircraft
- N566NC
- Make and model
- Boeing 7673BG
- Aircraft serial
- 30566
- Aircraft time
- 74,887 hours, 18,891 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Condition
- Vibration
- Location
- Left
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.