Service difficulty report · Regulator · Boeing 737890

Difficulty date
September 13, 2008
Submitted
September 22, 2008
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
5,954 hours, 1,795 cycles
Part
Regulator
Part number
1074847
Part serial
4749
Condition
Failed
Location
Nr 1 Engine
Part time
2,562 hours, 772 cycles
Stage of operation
IN
How discovered
C
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

NR 1 ENGINE HIGH STAGE REGULATOR FAILED ENGINE BLEED AIR SYSTEM HEALTH CK. REMOVED AND REPLACED HIGH STAGE REF IAW 737NG MM 36 11 07 000 801 STEP B&C W MM 36 11 07 400 801 STEP E.