Service difficulty report · Cylinder · Doug DC982

Difficulty date
March 9, 2001
Submitted
March 12, 2001
Operation
Air carrier
Aircraft
N34838
Make and model
Doug DC982
Aircraft serial
49634
Aircraft time
42,234 hours, 20,219 cycles
Part
Cylinder
Part number
59516395001
Part serial
CHC177A
Condition
Defective
Location
Nlg
Part time
42,221 hours, 20,205 cycles
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
L

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

What was found

THE NLG DID NOT EXTEND ON APPROACH TO IAH. THE NOSE LIGHT INDICATED UNSAFE AND THE NLG INDICATION PIN WAS RETRACTED. RAN UNSAFE GEAR, GEAR HANDLE DOWN CHECKLIST DURING A GO AROUND AND THE GEAR EXTENDED WITH SAFE INDICATION. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NLG BUNGEE CYLINDER AT FAULT. THE NLG BUNGEE CYLINDER WAS REMOVED AND REPLACED IAW MM 32-32-07 AND THE NOSE GEAR FORWARD DOORS WERE RIGGED IAW MM 32-22-01. NLG EXTENSION AND RETRACTION CHECKS WERE GOOD.

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