DOC AIRBUS | TSM A320FHigh N2 Vibration Level on Engine 1
1. Possible Causes
2 Job Set-up Information
A. Referenced Information
REFERENCE DESIGNATION
Ref. AMM 72-00-00-200-014 Borescope Inspection of the Stage 1 High Pressure Turbine (HPT)
Blades and Duct Segments
Ref. AMM 72-00-00-200-015 Borescope Inspection of the Stage 2 HPT Blades and Duct Segments
Ref. AMM 72-00-00-200-016 Inspection of the HP Compressor
Ref. AMM 79-00-00-200-011 Inspection of the Magnetic Chip Detectors for Debris
3. Fault Confirmation
Subtask 77-30-00-710-093-A
A. Test
Not applicable
4. Fault Isolation
Subtask 77-30-00-810-073-A
A. If the fault symptom is identified by the ECAM advisory ENG1 N2 VIBRATION HIGH on the ENGINE
page:
· do an inspection of the magnetic chip detectors Ref. AMM 79-00-00-200-011 .
(1) If you find no fault:
· examine the turbine exhaust case and the common nozzle assembly for unwanted metallic
material.
(2) If you find no fault:
· do an inspection of the HP compressor Ref. AMM 72-00-00-200-016 and the HP turbine Ref.
AMM 72-00-00-200-014 and Ref. AMM 72-00-00-200-015 . [Rev.6 from Feb 2017] 2026.04.04 04:37:52 UTC