What was found
INSTALLED HMU ON ENG FOR TEST AFTER C/W CFE 7388001. PERFORMED 2 NORMAL STARTS SATISFACTORILY. THE 3RD START ATTEMPT AND SUBSEQUENT ATTEMPTS FAILED. RE-INSTALLED ORIG HMU AND STARTS WERE NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INSTALLED HMU ON ENG FOR TEST AFTER C/W CFE 7388001. PERFORMED 2 NORMAL STARTS SATISFACTORILY. THE 3RD START ATTEMPT AND SUBSEQUENT ATTEMPTS FAILED. RE-INSTALLED ORIG HMU AND STARTS WERE NORMAL.