Malfunction Details - Continued
Table 7-16.
Indications presented
Corrective
Aircraft indications
to instructor/operator
Ref
Required
action
and related effects
malfunction
number
and trainee
Noncorrectable
TLRTR
All of tail rotor blades
Instructor: TLRTR BLADE LOSS
22524
gone.
BLADE LOSS
appears on CRT.
Trainee: No directional con-
trol authority. Pitch down
due to weight loss. Severe
vibration occurs for 2 sec-
onds before gearbox separa-
tion. TAIL GBX or INTMD
GRBX, VIB GRBX, and TRMPTR
lights illuminate.
TLRTR
Tail rotor gearbox, blades,
Noncorrectable
22525
Instructor: TLRTR GBX LOSS
and controls lost.
GBX LOSS
appears on CRT.
Trainee: TRMP, INT, VIB
GRBX, and TEMP TR lights
illuminate. Severe vibra-
tion occurs for 2 seconds
before gearbox separation.
No directional control
authority. Pitch down due
to weight loss.
TRTR
Tail rotor does not func-
22526
Noncorrectable
Instructor: TRTR THRUST LOSS
THRUST LOSS
t i o n ; i.e.. no spinning.
appears on CRT.
Trainee: Complete loss of
directional control.