Service difficulty report · Pump · Boeing 7378H4

Difficulty date
May 27, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N8669B
Make and model
Boeing 7378H4
Aircraft serial
36655
Aircraft time
23,700 hours, 10,954 cycles
Engine
Cfmint CFM567B27E
Part
Pump
Condition
Faulty
Stage of operation
TO
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

ON TAKEOFF WITH TOGA SEL #1 ENG WENT TO 93.5 % N1; #2 ENGINE WENT TO 87.4% N1. ADVANCING (MANUALLY) THE #2 THRUST LEVER DID NOT ADVANCE N1 ABOVE 87.4%. / [01] AFTER INSTALLATION OF FUEL PUMP PACKAGE; #2 ENGINE TAKEOFF POWER IS SATISFACTORY; IAW B737 AMM 71-00-00. #2 ENGINE SERVO FUEL HEATER; HMU; & HAND CRANKING DRIVE COVER WERE REMOVED TO FOM; ALL WERE INSTALLED &TESTED/LEANK CHECKED; IAW B737 AMM 72-63-01; 73-11-07; & 73-21-10.;[02] CW

More about the Boeing 737-8H4