Service difficulty report · Bracket · Boeing 7472D7B

Difficulty date
December 1, 2006
Submitted
December 14, 2006
Operation
Air carrier
Aircraft
N526MC
Make and model
Boeing 7472D7B
Aircraft serial
22337
Aircraft time
92,355 hours, 18,959 cycles
Part
Bracket
Part number
69B0013511
Condition
Cracked
Location
Nlg
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

RED GEAR DOOR LIGHT AND RED GEAR LIGHT ON AFTER RETRACTION. ANNUNCIATOR PANEL PRIM + ALT GEAR LIGHTS OUT. PRIM + ALT NOSE DOOR LIGHTS ILLUMINATED. PER ALT, OPS GEAR EXTENDED AND RETRACTED. NOSE GEAR DOOR DID CLOSE, BUT REQUIRED LONGER THAN NORMAL TIME. TROUBLE SHOOTING REVEALED STRUT PRESSURE/EXTENSION LOW AND NLG TORSION LINK CLOSURE BRACKET BROKEN. NLG, OLEO SEALS REPLACED AND CLOSURE BRACKET, REMOVED AND REPLACED WITH SERVICEABLE UNIT. NLG RETRACTION TEST CARRIED OUT, ALL OPS NORMAL. LHT WORK ORDER LFN 12/06 AND GROUND LOG BOOK AA12729 TO AA12751 FOR FURTHER DETAIL.

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