SDR EIAA2006038

Service difficulty report · Indicator · Boeing 747200B

Difficulty date: March 26, 2006
Submitted: April 10, 2006
Operation: Air carrier
Aircraft: N487EV
Make and model: Boeing 747200B
Aircraft serial: 23286
Aircraft time: 85,571 hours, 16,036 cycles
System (JASC): 7722 · Engine EGT/TIT Indicating System
Part: Indicator
Condition: Failed
Location: Nr 2 Egt
Stage of operation: CR
How discovered: O
Nature of condition: P
Precautionary procedure: O

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

What was found

DURING FLIGHT, NR 2 EGT FAILED TO 0 ON DESCENT, INTERMITTENT FAILURE, SEEMED TO FAIL DURING POWER REDUCTION NEVER GOT AN OFF FLAG. CHECKED CONNECTORS ON HARNESS AND PYLON ON NR 2 ENG AND P-2 PANEL. COULD NOT DUPLICATE, ALL WIRE CHECKS WERE NORMAL COMPARED TO NR 3 ENG. REMOVED AND REPLACED EGT INDICATOR PER MM 77-21-00, RAN ENG PER MM 71-00-00, ALL CHK NORMAL.

More about the Boeing 747-200B