What was found
NR 1 ENGINE HMU DRAIN LEAKING. GROUNDED-YES. REMOVED AND REPLACED NR 1 HMU, PER TASK CARD N8473001, N8473000. OPERATIONS CHECK GOOD NO DEFECTS NOTED.
- Difficulty date
- November 1, 2020
- Submitted
- November 4, 2020
- Operation
- Air carrier
- Aircraft
- N534AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35202
- Aircraft time
- 37,360 hours, 10,773 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Hmu
- Part number
- 1853M56P14
- Part serial
- BECW8723
- Condition
- Leaking
- Location
- #1 Engine
- Part time
- 37,360 hours, 10,773 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.