SDR Q2S2002F00001

Service difficulty report · Valve · Boeing 747230B

Difficulty date: June 17, 2002
Submitted: June 26, 2002
Operation: Air carrier
Aircraft: N744SA
Make and model: Boeing 747230B
Aircraft serial: 22363
System (JASC): 3610 · Pneumatic Distribution System
Part: Valve
Part number: 3206254
Condition: Malfunctioned
Location: Nr 3 Engine
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

AIR TURN BACK: AFTER LIFT OFF, HIGH STAGE LIGHT ILLUMINATED ABOUT 200 FEET. FIRE DETECTION LIGHT ILLUMINATED AT MASTER CAUTION PANEL, NO LIGHT IN HANDLE. A AND B NEEDLE INDICATORS WERE AT 7.5. TESTED SYSTEM, NR 3 LIGHT CAME ON AND STAYED ON. SHUT DOWN ENGINE AND LIGHT WENT OUT AFTER START LEVER PLACED IN CUTOFF. REMOVED AND REPLACED NR 3 ENGINE PRESSURE RELIEF VALVE IAW MM.