Service difficulty report · Regulator · Boeing 737890

Difficulty date
December 1, 2021
Submitted
December 4, 2021
Operation
Air carrier
Aircraft
N534AS
Make and model
Boeing 737890
Aircraft serial
35202
Aircraft time
41,149 hours, 11,732 cycles
Part
Regulator
Part number
1074926
Part serial
9033
Condition
Damaged
Location
#1 Engine
Part time
27,314 hours, 7,693 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

#1 ENGINE BLEED AIR REGULATOR HAS DAMAGED WIRES. GROUNDED - YES. REMOVED AND REPLACED BLEED AIR REGULATOR REF AMM 36-11-03. OPS CHECK, LEAK CHECK GOOD.