What was found
MULTIPLE ALT VIBRATIONS FELT FIRST THEN INDICATIONS ON NR 1 ENG UP TO 5.0. ACCOMPLISHED VIBE SURVEY ENGINE SUCCESSFULLY BALANCED N1 AT 0.6 AT 99% N1 IAW AMM 71-00-00 AND 72-32-00 AND ECM 2026P-292. NO FURTHER DEFECTS NOTED.
- Difficulty date
- September 17, 2026
- Submitted
- September 18, 2026
- Operation
- Air carrier
- Aircraft
- N415MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 32837
- Aircraft time
- 95,721 hours, 16,012 cycles
- Engine
- Ge CF680C2B5F
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Condition
- Vibration
- Location
- Nr 1
- Stage of operation
- CR
- 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.