Service difficulty report · Hmu · Boeing 7377H4

Difficulty date
June 10, 2025
Submitted
June 16, 2025
Operation
Air carrier
Aircraft
N919WN
Make and model
Boeing 7377H4
Aircraft serial
36625
Aircraft time
55,309 hours, 33,263 cycles
Engine
Cfmint CFM567B242
Part
Hmu
Condition
Failed
Location
Engine Fuel
Stage of operation
CR
How discovered
O
Nature of condition
R, Y, J
Precautionary procedure
E, A

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

What was found

ENG FAIL MSG ON #1 ENG INDICATIONS ON LOWER MFD<[01] INFORMATIONAL ONLY- PER THE 3 WAY PHONE CALL WITH THE CAPT & DISPATCH; THE CAPT. REPORTED THAT DURING CRUISE HE HAD THE ENG FAIL MSG ON THE LOWER MFD; WITH NO ENGINE PARAMETER ISSUES & NO LOSS OF THRUST; CAPT. FOLLOWED THE QRH PROCEDURE AND SHUT THE ENGINE DOWN N FLT.2. 12-JUN-2025 03:41 UTC REMOVED AND REPLACED HMU AND FUEL PUMP IAW MT 773-11-00 OPS CHECK LEAK CHECK GOOD

More about the Boeing 737-7H4