What was found
WHILE PERFORMING T/C 78273000 ENG FMC CDU FAULTS FOUND FAULT CODE 77 20872 THE TOP LEFT EGT SIGNAL (T495S4) IS OUT OF RANGE LONG TERM FAULT FOR NR 2 ENGINE ESN895406. ON DEFERRAL.
- Difficulty date
- February 9, 2010
- Submitted
- February 11, 2010
- Operation
- Air carrier
- Aircraft
- N566AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35181
- Aircraft time
- 11,883 hours, 3,691 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7722 · Engine EGT/TIT Indicating System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Egt
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.