What was found
NR 1 ENGINE HAD A HUNG START AT 47% N2. ACCOMPLISHED QRC/QRH. SECOND START WAS SUCCESSFUL. GROUNDED-YES. REMOVED AND REPLACED HMU ON ENGINE 1, REF T/C N8473000, AND N8473001 AND TSR 710214. OPERATIONS CHECK GOOD NO LEAKS NOTED.
- Difficulty date
- October 22, 2020
- Submitted
- October 26, 2020
- Operation
- Air carrier
- Aircraft
- N590AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35687
- Aircraft time
- 46,878 hours, 14,057 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Hmu
- Part number
- 1853M56P12
- Part serial
- BECW5287
- Condition
- Inoperative
- Location
- Nr 1 Engine
- Part time
- 40,924 hours, 12,146 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.