SDR AALA20151115002

Service difficulty report · Sensor · Boeing 737823

Difficulty date: November 15, 2015
Submitted: November 16, 2015
Operation: Air carrier
Aircraft: N916AN
Make and model: Boeing 737823
Aircraft serial: 29517
Aircraft time: 49,581 hours, 19,871 cycles
System (JASC): 2781 · Leading Edge Slat Position Indicating System
Part: Sensor
Condition: Faulty
Location: Le Flap
Stage of operation: AP
How discovered: O
Nature of condition: F
Precautionary procedure: L

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

What was found

FLAPS SELECTED TO 10, NR 3 & 4 LE FLAPS DID NOT EXTEND WITH FLAPS TRANSIT LIGHT. THE FLIGHT ABORTED APPROACH, DECLARED AN EMER & DIVERTED, LANDED WITHOUT FURTHER INCIDENT. THE ACFT WAS REMOVED FROM SERVICE. PERFORMED FIM IAW 27-88-00-810-806, BITE OF FSEU. SENSOR F4 EXTEND SENSOR S175 SHOWED MARGINAL STATE. REMOVED & REPLACED STRINGER 175 EXTEND LE FLAP SENSOR IAW AMM 27-88-11-700-801. OPERATIONS OK.