Narrative:

At OM, extended landing gear, sounded normal, but red gear unsafe (red) light illuminated. Cycled gear, same result. Initiated go around with clearance east of airport to accomplish published abnormal procedure. Although my crew members were relatively new -- first officer 2 yrs, so 8 months -- training and standardization at my airline were instrumental in the smooth completion of the procedure followed by a safe landing. The so was not totally sure that what he saw in nose gear viewport was correct. The first officer flew the aircraft while I worked with so to complete abnormal. After so was in his seat, I went back to look at the viewport. The gear was down and locked. As a precaution, I briefed the lead flight attendant of the situation and to prepare the cabin for an emergency landing, and returned to the cockpit. It was the first officer's leg, but the circumstances were such that I thought I should make the landing. The CRM training we all have received was also a contributing factor to the success of this event. We openly discussed what had transpired as I wanted everyone to be comfortable with our situation. We all felt that we did everything correctly and conservatively, so we proceeded to the field (dtw). Landing was uneventful. Stopped on runway, set brakes. Did not move any hydraulic components (flaps, spoilers, etc) until the gear was pinned in accordance with abnormal procedure. After gear locks were pinned, completed after landing check, cleared runway, taxied to terminal. Thank you standardization. Thank you CRM.

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Original NASA ASRS Text

Title: A B727-200 FLT LANDS IN AN EMER CONDITION, AFTER CHKLIST USE, WHEN THE NOSE GEAR INDICATING SYS WARNS CREW OF AN UNLOCKED NOSE GEAR AT DTW, MI.

Narrative: AT OM, EXTENDED LNDG GEAR, SOUNDED NORMAL, BUT RED GEAR UNSAFE (RED) LIGHT ILLUMINATED. CYCLED GEAR, SAME RESULT. INITIATED GAR WITH CLRNC E OF ARPT TO ACCOMPLISH PUBLISHED ABNORMAL PROC. ALTHOUGH MY CREW MEMBERS WERE RELATIVELY NEW -- FO 2 YRS, SO 8 MONTHS -- TRAINING AND STANDARDIZATION AT MY AIRLINE WERE INSTRUMENTAL IN THE SMOOTH COMPLETION OF THE PROC FOLLOWED BY A SAFE LNDG. THE SO WAS NOT TOTALLY SURE THAT WHAT HE SAW IN NOSE GEAR VIEWPORT WAS CORRECT. THE FO FLEW THE ACFT WHILE I WORKED WITH SO TO COMPLETE ABNORMAL. AFTER SO WAS IN HIS SEAT, I WENT BACK TO LOOK AT THE VIEWPORT. THE GEAR WAS DOWN AND LOCKED. AS A PRECAUTION, I BRIEFED THE LEAD FLT ATTENDANT OF THE SIT AND TO PREPARE THE CABIN FOR AN EMER LNDG, AND RETURNED TO THE COCKPIT. IT WAS THE FO'S LEG, BUT THE CIRCUMSTANCES WERE SUCH THAT I THOUGHT I SHOULD MAKE THE LNDG. THE CRM TRAINING WE ALL HAVE RECEIVED WAS ALSO A CONTRIBUTING FACTOR TO THE SUCCESS OF THIS EVENT. WE OPENLY DISCUSSED WHAT HAD TRANSPIRED AS I WANTED EVERYONE TO BE COMFORTABLE WITH OUR SIT. WE ALL FELT THAT WE DID EVERYTHING CORRECTLY AND CONSERVATIVELY, SO WE PROCEEDED TO THE FIELD (DTW). LNDG WAS UNEVENTFUL. STOPPED ON RWY, SET BRAKES. DID NOT MOVE ANY HYD COMPONENTS (FLAPS, SPOILERS, ETC) UNTIL THE GEAR WAS PINNED IN ACCORDANCE WITH ABNORMAL PROC. AFTER GEAR LOCKS WERE PINNED, COMPLETED AFTER LNDG CHK, CLRED RWY, TAXIED TO TERMINAL. THANK YOU STANDARDIZATION. THANK YOU CRM.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.