Service difficulty report · Valve · Boeing 727222

Difficulty date
April 29, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N7272U
Make and model
Boeing 727222
Aircraft serial
21419
Engine
Pwa JT8D15
Part
Valve
Condition
Failed
Location
Nr 3 Bleed
Component
Airesearch · 3929141
Stage of operation
NR
Nature of condition
B
Precautionary procedure
O

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

What was found

NR 3 BLEED TRIPS OFF AND SMOKE IN THE COCKPIT. SWITCHED TO NR 2 BLEED AND ALL WAS NORMAL. SUPPLEMENTAL DATA UPDATE, REPLACED NR 3 PRECOOLER MOD VALVE.