Textron Bell 206L3, Maintenance Manual

Page: 216 / 230

BHT-206L3-MM-1
5-00-00
Page 184
Rev. 16 25 FEB 2011 ECCN EAR99
PART III: INSPECTION FOR COMPRESSOR STALL
OR SURGE WITH NOTICEABLE YAW
CAUTION
WHEN A COMPRESSOR STALL OR SURGE WITH
NOTICEABLE YAW HAS OCCURRED, DISCARD
ALL TAIL ROTOR BONDED DRIVESHAFTS.
Chapter 63 ENGINE-TO-TRANSMISSION DRIVESHAFT (APPLICABLE
TO 206L3)
BHT-206L-CR&O 1. Remove and disassemble the engine-to-transmission
driveshaft.
2. Inspect inner and outer coupling teeth splines for damage.
3. If any damage suspected to be related to the stall or surge,
make an entry on the Historical Service Record and attached a
tag on the driveshaft and write, “THIS COMPONENT WAS
REMOVED FORM SERVICE BECAUSE OF A COMPRESSOR
STALL”. Send the driveshaft to an approved facility for overhaul.
4. If no defects were detected on the couplings, re-assemble
and return the engine-to-transmission driveshaft to service.
Chapter 63 ENGINE-TO-TRANSMISSION KAFLEX DRIVESHAFT
(APPLICABLE TO 206L3+ IGW UPGRADE)
BHT-206L-CR&O 1. Remove and examine the engine-to-transmission for
condition.
2. If any damage suspected to be related to the stall or surge,
make an entry on the Historical Service Record and attached a
tag on the driveshaft and write, “THIS COMPONENT WAS
REMOVED FORM SERVICE BECAUSE OF A COMPRESSOR
STALL”. Send the driveshaft to Bell Helicopter Textron CPR for
evaluation.
3. If no defects were detected, return the
engine-to-transmission KAflex driveshaft to service.
CONDITIONAL INSPECTIONS
5-57. ENGINE COMPRESSOR STALL OR SURGE (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER