Service difficulty report · Overheat Switch · Boeing 747121

Difficulty date
November 11, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N832FT
Make and model
Boeing 747121
Aircraft serial
20347
Part
Overheat Switch
Part number
9750018007
Condition
Defective
Location
Nr 4 Hyd System
Stage of operation
TX
Nature of condition
N
Precautionary procedure
D

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

What was found

DURING TAXI, NR 4 HYDRAULIC OVERHEAT LIGHT ILLUMINATED NR 4 SYSTEM. REMOVED AND REPLACED NR 4 HYDRAULIC OVERHEAT SWITCH IAW MM 29-41-00.