SDR DL73K001380

Service difficulty report · Valve · Boeing 737232

Difficulty date: July 21, 2000
Submitted: July 24, 2000
Operation: Air carrier
Aircraft: N320DL
Make and model: Boeing 737232
Aircraft serial: 23092
Aircraft time: 47,255 hours, 36,936 cycles
Engine: Pwa JT8D15
Engine time: 40,108 hours, 30,949 cycles
System (JASC): 3020 · Air Intake Anti/De-Ice System
Part: Valve
Condition: Leaking
Location: Nr 1 Engine
Stage of operation: TO
How discovered: O
Nature of condition: M, J
Precautionary procedure: C

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

What was found

AIRCRAFT TAKEOFF ABORTED AT 120 KIAS. NR 1 ENGINE EGT GOING THROUGH 625 CELSIUS. PEAK TEMP OBSERVED 628 - 629 CELSIUS. PACKS OFF T/O. FOUND NR 1 ENG NOSE COWL ANTI-ICE VLV BYPASSING BLEED AIR. REMOVED AND REPLACED NOSE COWL ANTI-ICE VLV PER MM. PERFORMED TAKEOFF POWER RUN PER PFHB. ALL PARAMETERS WITHIN LIMITS.