Service difficulty report · Pump · Boeing 7378H4

Difficulty date
July 11, 2026
Submitted
July 15, 2026
Operation
Air carrier
Aircraft
N8610A
Make and model
Boeing 7378H4
Aircraft serial
36635
Aircraft time
45,488 hours, 21,762 cycles
Engine
Cfmint CFM567B27E
Part
Pump
Condition
Failed
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
O

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

What was found

OTS, NR 1 ENGINE FAILED IN FLIGHT. ATTEMPTED RESTART WITH NO SUCCESS. LANDED SINGLE ENGINE. NO AIRFRAME OR OTHER ABNORMAL ENGINE INDICATIONS PRIOR TO FAILURE. HMU AND FUEL PUMP PACKAGE REMOVED AND REPLACED IAW AMM 73-21-10; 73-11-01. OPS CHECK GOOD. REF TTG8R007FHYT, TTG8R007FHX7 FOR PARTS & WORK PERFORMED.;[02] PERFORMED RII REQUIREMENTS FOR HMU AND FUEL PUMP REPLACEMENT IAW MPM 10.2.2.

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