SDR ASAA2023011741553

Difficulty date

January 17, 2023

Submitted

January 18, 2023

Operation

Air carrier

Aircraft

N478AS

Make and model

Boeing 737990ER

Aircraft serial

44105

Aircraft time

27,851 hours, 8,810 cycles

Engine

Cfmint CFM567B27E

System (JASC)

7532 · Compressor Bleed Valve

Part

Bleed Valve

Part number

1074847

Part serial

14562

Condition

Faulted

Location

Nr 1 Engine

Part time

31,721 hours, 10,024 cycles

Stage of operation

IN

How discovered

9

Nature of condition

O

Precautionary procedure

K

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