1-90 INSPECT ENGINE AFTER COMPRESSOR STALL (SURGE)
Materials:
INITIAL SETUP
None
Applicable Configurations:
Personnel Required:
All
68B10 Aircraft Powerplant Repairer
68B30 Aircraft Powerplant Inspector
Tools:
Powerplant Mechanic's Tool Kit,
References:
NSN 5180-00-323-4944
Task 2-19
Technical InspectIon Tool Kit,
Task 2-24
NSN 5180-00-323-5114
NOTE
Compressor stall (surge) is characterized by
sharp rumbles or loud sharp reports and
severe engine vibration. A rapid rise in
measured gas temperature is also noted,
depending on how severe the surge is.
1. If it is suspected that compressor surge has
occurred, proceed as follows:
a. Inspect aircraft and engine records to
determine any history related to the
suspected compressor surge condition.
b. Discuss suspected compressor surge
condition with pilot concerned or
maintenance chief to evaluate surge
circumstances.
c. Check the following items:
(1) Inspect inlet housing and
compressor for obstruction or
accumulation of dirt, salt, or other
foreign matter.
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