Service difficulty report · Regulator · Boeing 7377H4

Difficulty date
July 5, 2023
Submitted
July 6, 2023
Operation
Air carrier
Aircraft
N924WN
Make and model
Boeing 7377H4
Aircraft serial
36628
Aircraft time
49,317 hours, 29,826 cycles
Part
Regulator
Part number
UNKNOWN
Condition
Faulty
Location
Zn 700 Landing G
Stage of operation
AP
How discovered
9
Nature of condition
J, O
Precautionary procedure
O

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

What was found

DURING NORMAL GEAR EXTENSION; L/H GEAR RED INDICATION WHILE NOSE AND R/H GEAR GREEN; PERFORMED LOW PASS AND ATC CONFIRMED PARTIAL L/H GEAR EXTENSION. RAN QRH CHECKLIST; AND MANUALLY EXTENDED GEAR. DURING NORMAL GEAR EXTENSION L/H GEAR RED INDICATION WHILE NOSE AND R/H GEAR GREEN PERFORMED LOW PASS AND ATC CONFIRMED PARTIAL L/H GEAR EXTENSION. RAN QRH CHECKLIST AND MANUALLY EXTENDED GEAR AFTER 2-3 MINUTES GEAR FULLY EXTENDED.<[01] OK TO CONTINUE PER MEL 32-16-01 SP1.;[02] PERFORMED FIM TASK 32-32 TASK802 NO DISCREPANCIES.NOTED AS COMPANY PRECAUTION REMOVED AND REPLACED MLG TRANSFER FLOW CYLINDER AND MAIN LANDING GEAR HYDRALIC FLOW REGULATOR LEFT SIDE AMM 32-32-71 AMM 32-32-72

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