Lycoming TEO-540-C1A Maintenance Manual page 427

TEO-540-C1A Engine Maintenance Manual
EECS Cockpit Controls and Annunciators
Fault Category
NTO –
NO TAKE-OFF
FAULTS
TLO –
TIME-
LIMITED
OPERATION
FAULTS
FFL –
FAULT FOUND
LAMP
© 2018 Avco Corporation. All Rights Reserved
November 2018
Figure D-1
TAKE-OFF NOT ALLOWED WITH THIS CONDITION PRESENT. IF THE
NTO ANNUNCIATOR ILLUMINATES DURING FLIGHT AND STAYS
ILLUMINATED CONSTANTLY, LAND AS SOON AS SAFELY POSSIBLE.
The NTO Annunciator must be within view of the pilot.
TAKE-OFF AND FLIGHT IS ALLOWED WITH TLO FAULTS PRESENT.
All faults in this TLO category must be corrected within 20 hours of operation.
1. TLO Fault(s) which are present for 20 hours of operation will result in a NTO
Fault.
2. If multiple TLO Faults are present, the first TLO fault to reach 20 hours of
operation will trigger a NTO Fault. After which, all TLO Faults must be
corrected before the NTO Fault can be cleared and the NTO Annunciator
extinguished.
The TLO Annunciator must be within view of the pilot.
TAKE-OFF AND FLIGHT IS ALLOWED WITH FFL FAULTS PRESENT.
All faults in this FFL category indicate a minor fault which has no effect on
engine operation.
All FFL faults must be corrected at or before the next scheduled engine
inspection.
The FFL Annunciator being within view of the pilot is optional. At a minimum,
it must be accessible during maintenance and inspection events.
• NTO (PRI) – No Take-Off (Primary)
• NTO (SEC) – No Take-Off (Secondary)
• TLO – Time Limited Operation
• PFT – Pre-Flight Test (lamp and switch)
• FFL – Fault Found Lamp
Operational Limitation
Appendix D
Page 397