Service difficulty report · Pseu · Dhav DHC8102

Difficulty date
November 10, 2009
Submitted
November 12, 2009
Operation
Air carrier
Aircraft
N942HA
Make and model
Dhav DHC8102
Aircraft serial
163
Part
Pseu
Condition
Malfunctioned
Location
Nlg
Stage of operation
LD
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

AFTER GEAR EXTENSION NOSE GEAR RETRACTED UN-COMMANDED THEN EXTENDED UN-COMMANDED AFTER UN-COMMANDED EXTENSION NOSE GEAR STAYED DOWN AND LOCKED WITH NO OTHER ABNORMAL INDICATIONS. FOUND PSEU WITH CARD FAIL FAULT LIT RESET UNIT JACKED AND SWUNG GEAR CARD FAIL FAULT RETURNED R&R PSEU AND SWUNG GEAR SEVERAL TIMES, NO CARD FAIL FAULT NOTED. OPS AND INDICATION DURING GROUND OPS CHECK OK AT THIS TIME IN REF TO MM 32-30-00 AND MM 32-61-50. ACFT RELEASED FOR EVALUATION FLT DUE TO UN-COMMANDED GEAR EXTENSION AND RETRACTION DURING EXTENSION CYCLE AND REPLACEMENT OF THE PSEU ALL GROUND OPS AND INDICATION CHECKS GOOD MAINTENANCE ACTION COMPLETE SUBJECT TO SAT EVAL FLT REF LP 28720 SEQ3. ACFT DOWN FROM LAST NIGHT, AFTER GEAR EXTENSION NOSE GEAR RETRACTED UN-COMMANDED THEN EXTENDED NOSE GEAR STAYED DOWN AND LOCKED WITH NO OTHER ABNORMAL INDICATIONS.