Service difficulty report · Regulator · Boeing 737890

Difficulty date
July 5, 2018
Submitted
July 6, 2018
Operation
Air carrier
Aircraft
N564AS
Make and model
Boeing 737890
Aircraft serial
35103
Aircraft time
45,055 hours, 13,598 cycles
Part
Regulator
Part number
1074926
Part serial
961C
Condition
Failed
Location
Bleed Air Sys
Part time
22,955 hours, 9,309 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

NR 2 ENGINE FAILS TO MAINTAIN 32-42 PSIG DUCT PRESSURE WITH TLA GREATER THAN 60% N1. GROUNDED - YES. REMOVED & REPLACED NR 2 ENGINE BAR PER AMM 36-11-03-000/400-801. COMPLETED EA PWRPL-71EA-11276, NR 2 ENGINE SATISFIES N1/DUCT PRESSURE CRITERIA PER AMM 36-11-00-710-801.