Table 1-7. Overtemperature During Power Transients
1380° F- 1550° F
Over 6 Seconds
(749° C- 843° C)
1550° F- 1700° F
(843° C- 927° C)
over 1700° F (927° C)
Remove engine for
The time-at-temperature limits
are not additive and may be re-
peated without restrictions.
*Refer to turbine overtemperature inspection paragraph 1-43.
143. TURBINE OVERTEMPERATURE - INSPECTION.
Para 3-2, 3-4, 3-6, 3-8 and 3-10
1. Combustion Section
The following inspection may be
performed with the engine in-
stalled in the airframe.
Refer to paragraph 3-6.
Removal of the first-stage nozzle
from the turbine is not authorized.
Remove the combustion
First stage turbine nozzle and shield. Replace
Inspect the first stage
engine if serviceable limits are exceeded on the
turbine nozzle and shield
first stage turbine nozzle, Replace shield if
as outlined in the following
serviceable limits are exceeded on the shield.
tabular listing and figure.
Visually inspect blades of
first-stage N1 turbine for