Service difficulty report · Pump · Boeing 737823

Difficulty date
March 3, 2017
Submitted
March 8, 2017
Operation
Air carrier
Aircraft
N970AN
Make and model
Boeing 737823
Aircraft serial
30096
Aircraft time
47,550 hours, 19,390 cycles
Part
Pump
Part number
887477
Part serial
MX637115
Condition
Faulty
Location
Hydraulic Sys
Stage of operation
UK
How discovered
O
Nature of condition
B, J
Precautionary procedure
H

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

What was found

AIRCRAFT WAS GROUNDED. SYSTEM B ELECTRIC HYDRAULIC PUMP OVERHEAT LIGHT INDICATION. ODOR IN COCKPIT WHICH DISSIPATED AFTER PUMP TURNED OFF. REMOVED AND REPLACED SYSTEM B ELECTRIC MOTOR-DRIVEN PUMP IAW AMM 29-11-21 AND SYSTEM B HYDRAULIC FLUID OVERHEAT WARNING SWITCH IAW AMM 29-32-12 (AALA201703089007). OPERATIONAL CHECK GOOD.