Textron Bell 206L3, Maintenance Manual

Page: 218 / 230

BHT-206L3-MM-1
5-00-00
Page 186
Rev. 16 25 FEB 2011 ECCN EAR99
Chapter 53 FUSELAGE
1. Examine the complete tailboom structure for distortion,
buckles, cracks in the skin, and sheared or loose rivets.
2. Inspect tailboom attachment fittings for cracks.
3. Inspect the vertical fin for condition and security of
attachment.
Chapter 63
Chapter 65 GROUND RUN
BHT-206L3-FM-1
(BHT-206L4-FM-1 for
206L3+ IGW Upgrade) 1. Perform a ground run for a minimum of 30 minutes with the
helicopter light on its skids. Remove and examine the chip
detectors of the transmission assembly, freewheel assembly,
and tail rotor gearbox.
2. If the chip detector shows signs of metal particles, perform
a serviceability check. Components that fail the serviceability
check shall be removed. Make an entry on the applicable
components Historical Service Record and attach a tag and
write, “THIS COMPONENT WAS REMOVED FROM SERVICE
BECAUSE OF A COMPRESSOR STALL/SURGE”. Send the
component to a Bell Helicopter Textron approved facility for
overhaul.
3. If no metal particles were found, the transmission
assembly, freewheel assembly, and/or tail rotor gearbox are
serviceable.
CONDITIONAL INSPECTIONS
5-57. ENGINE COMPRESSOR STALL OR SURGE (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER