SDR FDEA201707061870

Service difficulty report · Warning Message · Boeing 757236

Difficulty date: July 6, 2017
Submitted: July 10, 2017
Operation: Air carrier
Aircraft: N979FD
Make and model: Boeing 757236
Aircraft serial: 25592
Aircraft time: 60,078 hours, 21,846 cycles
System (JASC): 7720 · Engine Temperature Indicating System
Part: Warning Message
Condition: False Activation
Location: Engine
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: A

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

What was found

LEFT ENGINE, HIGH EGT AND FUEL FLOW AT 10,000 FT WHEN CHANGING POWER FROM CLIMB 2 TO NORMAL CLIMB. RAN THE QRH, CONTINUED TO OPERATE ENGINE (LEFT) AT LOWER POWER AND RETURNED TO AIRPORT. INSPECTED NR 1 ENGINE INLET AND EXHAUST WITH NO DEFECTS NOTED IAW MM 72-00-00-6, INSPECTED THE NR 1 ENGINE MASTER CHIP DETECTOR IAW MM 79-21-03-04, NO DEFECTS NOTED. EGT EXCEEDANCE OF 810 FOR .8 SECONDS IAW EICAS WITHIN LIMITS IAW FIM 71-05-00-1, FAULT TREE 824 FIG 121. AIRCRAFT OK FOR CONTINUED SERVICE.