Service difficulty report · Relay · Boeing 737890

Difficulty date
January 6, 2012
Submitted
January 9, 2012
Operation
Air carrier
Aircraft
N518AS
Make and model
Boeing 737890
Aircraft serial
35693
Aircraft time
11,006 hours, 3,336 cycles
Part
Relay
Part number
BACR13CJ2
Condition
Failed
Location
E&E Bay
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

T/C 78128007 AD 08 10 10 CENTER TANK FUEL PUMP UNCOMMANDED SWITCH HELD ON TO POSITION MORE THAN 15 SECS CTR TANK LEFT LOW PRESSURE IND LIGHT DOES NOT ILL. PUMP CONTINUES TO OPERATE. REF WD 28 33 11 PG 6. FOUND NO POWER AT X1 OF D13794 TO RELAY R934 AUTO SHUT OFF TO RLY SUSPECT R936 AT FAULT. REPLACED RELAY R936 REF WD 28 23 11. SYS OPS CKS NML. TC 78128007 COMPLETED.