Service difficulty report · Regulator · Boeing 737990ER

Difficulty date
January 4, 2023
Submitted
January 5, 2023
Operation
Air carrier
Aircraft
N461AS
Make and model
Boeing 737990ER
Aircraft serial
36363
Aircraft time
32,903 hours, 10,299 cycles
Part
Regulator
Part number
1074847
Part serial
9907
Condition
Inoperative
Location
#2 Engine
Part time
51,719 hours, 15,453 cycles
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

#2 ENG. HIGH STAGE REGULATOR INOP. GROUNDED - YES. REPLACED #2 ENG. HIGH STAGE REGULATOR. OPS/LEAK CHECK OK. REF. B737-900 AMM 36-11-07-400-801.