SDR SRAA970715

Service difficulty report · Wire · Boeing 747212B

Difficulty date: July 18, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N745SJ
Make and model: Boeing 747212B
Aircraft serial: 20888
Engine: Pwa JT9D7J
System (JASC): 7797 · Engine Indicating System Wiring
Part: Wire
Condition: Broken
Location: Nr 3 Epr Ind
Stage of operation: TO
How discovered: O
Nature of condition: O
Precautionary procedure: C, D

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

What was found

DURING TAKEOFF ROLL, NR 3 ENGINE EPR WAS INDICATING 1.40 EPR AND DROPPING WITH 98.6 N-1, AT 3,000 FOOT MARKER, INITIATED REJECTED PROCEDURES AT 100 KNOTS. BRAKE TEMP AT 4.0 ON SCALE. FOUND BROKEN WIRE AT EPR INDICATOR AND REPAIRED. OPS CK THE SYS WITH MM 77-11-00 R/U OK.

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