SDR DHL2004749003

Service difficulty report · Start Valve · Boeing 7272J0

Difficulty date: February 7, 2004
Submitted: February 9, 2004
Operation: Air carrier
Aircraft: N749DH
Make and model: Boeing 7272J0
Aircraft serial: 22013
System (JASC): 8012 · Engine Start Valves/Controls
Part: Start Valve
Condition: Open
Location: Nr 2 Engine
Stage of operation: TO
How discovered: O
Nature of condition: J
Precautionary procedure: C

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

What was found

NR 2 START VALVE OPEN ON TAKEOFF ROLL. TAKEOFF REJECTED PRIOR TO 80 KNOTS. AIRCRAFT WEIGHT = 149700 LBS, IAS = 70 KNOTS, OAT = 6 C, PA = 3740, BRAKE ENERGY ZONE NORMAL. REMOVED AND REPLACED START VALVE IAW M/M 80-10-00. GROUND RUN, FUNCTION CHECK OK. NOTE: PRESS SWITCH FROM ORIGINAL VALVE TRACKS TO REPLACEMENT VALVE.

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