Service difficulty report · Epsu · Boeing 737823

Difficulty date
February 28, 2017
Submitted
March 1, 2017
Operation
Air carrier
Aircraft
N859NN
Make and model
Boeing 737823
Aircraft serial
33314
Aircraft time
15,654 hours, 6,157 cycles
Part
Epsu
Part number
32146210
Condition
Failed
Location
Cabin
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

AIRCRAFT WAS NOT GROUNDED. EMERGENCY POWER SUPPLY UNIT AT 13WL FAILED TEST. REMOVED AND REPLACED EPSU IAW AMM 33-51-38. OPERATIONAL CHECK GOOD.