What was found
LEAK CHECKED PRE-COOLER CONTROL VLAVE SENSOR AND FOUND THE 450 DEGREE SENSOR LEAKING. ACFT GROUNDED. REMOVED 450 SENSOR. REPLACED PACKING AND REINSTALLED 450 SENSOR IAW AMM 36-11-05. LEAK CHECKED GOOD.
- Difficulty date
- December 30, 2014
- Submitted
- January 2, 2015
- Operation
- Air carrier
- Aircraft
- N557AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 32,871 hours, 9,706 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Packing
- Part number
- S8990661
- Condition
- Leaking
- Location
- Sensor
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.