Service difficulty report · Regulator · Boeing 737990ER

Difficulty date
July 16, 2022
Submitted
July 18, 2022
Operation
Air carrier
Aircraft
N453AS
Make and model
Boeing 737990ER
Aircraft serial
36354
Aircraft time
32,089 hours, 10,128 cycles
Part
Regulator
Part number
1074926
Part serial
16069
Condition
Inoperative
Location
#2 Engine
Part time
32,089 hours, 10,128 cycles
Stage of operation
IN
How discovered
V
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 FOR VIB SURVEY, #2 ENG BLEED AIR WOULD NOT SHUT OFF. GROUNDED - YES. REMOVED & REPLACED #2 ENG BLEED AIR REGULATOR REF B737-900 AMM 36-11-03. LEAK & OPS CHECKED GOOD.