Service difficulty report · Warning System · Emb EMB145LR

Difficulty date
July 6, 2020
Submitted
July 7, 2020
Operation
Air carrier
Aircraft
N676AE
Make and model
Emb EMB145LR
Aircraft serial
14500807
Aircraft time
38,389 hours, 34,034 cycles
Part
Warning System
Condition
False Activation
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING FCF AURAL WARNING OF TOO LOW TERRAIN, STARTED AT 10,000 FT AND STOPPED AT 22,000 FT. NO AURAL WARNINGS AT 20,000 FT. DURING DESCENT, WARNING OCCURED AT 29000 FT FOR TOO LOW TERRAIN. SINK RATE AND PULL UP. EVENT OCCURED AGAIN AT 19500 FT AND 5000 FT. AT 2000 FT THE RA CALLED OUT 500 FT. AT 500 FT IT CALLED OUT MINIMUMS EVEN THOUGH RA WAS SET TO 200 FT. C/W WORK SCOPE REVISION 1. NO DEFECTS NOTED AT THIS TIME. REFERENCE NRWC 676-ORD-0433 FOR EGPWS COMPUTER CANNED FROM N684JW. OPS CHECK GOOD.

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