Service difficulty report · Regulator · Boeing 737890

Difficulty date
November 26, 2015
Submitted
December 1, 2015
Operation
Air carrier
Aircraft
N588AS
Make and model
Boeing 737890
Aircraft serial
35685
Aircraft time
31,026 hours, 9,460 cycles
Part
Regulator
Part number
1074926
Part serial
9172
Condition
Failed
Location
Nr 2 Engine
Part time
22,740 hours, 7,154 cycles
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

NR 2 ENGINE BLEED AIR DOES NOT TURN OFF. ACFT GROUNDED. R & R BLEED AIR REGULATOR IAW AMM 36-11-03-000-801 AND 36-11-03-400-80. HARNESS TO BAR BROKEN. R & R HARNESS REF AMM 73-21-06-400-802-F00. OPS CHK OF BAR AND PRSOV IAW AMM 36-11-00-710-801 ACCOMPLISHED AND FOUND NORMAL. LEAK CHECK IAW AMM 36-11-03-400-80, NO LEAKS NOTED. COMPLETED TAI SOLENOID OPS TEST IAW AMM 30-11-12-710-801. OPS NORMAL. ACCOMPLISHED TEST NR 7 AND NR 12 OF AMM 71-00-00-700-807 AND 814. CHECKS GOOD.