SDR 6CBA20160226149

Service difficulty report · Switch · Pilats PC1247E

Difficulty date: February 26, 2016
Submitted: March 1, 2016
Operation: Air carrier
Aircraft: N469AF
Make and model: Pilats PC1247E
Aircraft serial: 1469
Aircraft time: 1,870 hours, 1,686 cycles
Engine: Pwa PT6A67
Engine time: 1,870 hours, 1,686 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Switch
Condition: Faulty
Location: Rt Mlg
Stage of operation: AP
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

THE FLIGHT CREW REPORTED WHILE ON APPROACH, RT MAIN GEAR, UNSAFE ON EXTENSION FOR APPROX 2 MINUTES. THE ACFT LANDED SAFELY WITHOUT INCIDENT. THE EXTENSION & RETRACTION SYS WAS INSPECTED & THE ACMF & FHDB FILES WERE SENT TO MFG FOR EVALUATION. IT WAS DETERMINED THE RT MLG DOWN LOCK MICRO SWITCH, PN 973.30.31.217, WAS FAULTY. THE SWITCH WAS R & R IAW 12-B-32-60-01-00A-920B-A, FUNCTIONAL TEST OF THE EXTENSION & RETRACTION LG SYS WAS PERFORMED IAW AMM 12-B-32-30-00-00A-903B-A. OPERATIONS CHECKED OK.