Service difficulty report · Pump · Boeing 7377H4

Difficulty date
October 14, 2025
Submitted
October 15, 2025
Operation
Air carrier
Aircraft
N227WN
Make and model
Boeing 7377H4
Aircraft serial
34450
Aircraft time
65,045 hours, 39,023 cycles
Part
Pump
Condition
Out Of Adjust
Location
Zone 400
Stage of operation
TO
How discovered
O
Nature of condition
E
Precautionary procedure
C

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

What was found

EXCESSIVE NOSE WHEEL SHIMY ON TAKE OFF ROLL DIFFICULT TIME TRACKING RUNWAY CENTERLINE ; TAKE OFF REJECTED. CREW REPORTED REJECTED T/O BETWEEN 90-100 KTS.<[01] PERFORMED INSPECTION OF NLG PER AMM 09-11-00. NO DEFECTS NOTED.;[02] PERFORMED NLG STEERING ADJUSTMENT CHECK; ALL CHECKS ARE GOOD PER AMM 32-51-00.;[03] PERFORMED INSPECTION OF RUDDER PEDAL INTERCONNECT INPUT ROD PER AMM 32-51-00. NO DEFECTS NOTED.;[04] REMOVED AND REPLACED NOSE WHEEL TIRES REF AMM 32-45-21;[05] REMOVED AND REPLACED #1 ENGINE HYD. PUMP; AND PERFORMED ALL OPS AND LEAK CHECKS; ALL CHECKS ARE GOOD PER AMM 29-11-11 ON NON-ROUTINE (TTG8Q015QTHW);[06] PERFORMED TAXI OF AIRCRAFT AND NO ABNORMAL NOSE WHEEL SHIMMY WAS NOTED PER AMM 09-20-00.

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