Service difficulty report · Regulator · Boeing 737890

Difficulty date
June 14, 2013
Submitted
June 18, 2013
Operation
Air carrier
Aircraft
N516AS
Make and model
Boeing 737890
Aircraft serial
39044
Aircraft time
17,358 hours, 5,422 cycles
Part
Regulator
Part number
1074926
Part serial
11751
Condition
Failed
Location
Nr 2 Engine
Part time
17,343 hours, 5,419 cycles
Stage of operation
IN
How discovered
9
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

DURING ENG RUN ON CROSSOVER BLEED CK FOUND NR 2 ENG BLEED VALVE NOT CLOSING.(PRESSURE INDICATION SHOWS RT NEEDLE ABOVE 20 PSI AT IDLE W/SW CLOSED. ACFT GROUNDED. REPLACED NR 2 ENG BLEED AIR REGULATOR REF AMM 36-11-03-000-801 & 36-11-03-400-801. OPS & LEAK CK GOOD. ACCOMPLISHED FIM 36-10, TASK 802, & PERFORMED REPAIR CONF WITH NO DEFECTS NOTED.