SDR CALA2014101501347

Service difficulty report · Transmitter · Boeing 737824

Difficulty date: October 14, 2014
Submitted: October 15, 2014
Operation: Air carrier
Aircraft: N77520
Make and model: Boeing 737824
Aircraft serial: 31658
Aircraft time: 14,436 hours, 4,897 cycles
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Transmitter
Part number: 29275990001
Part serial: 2159
Condition: Faulty
Location: Te 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

FLAP DISAGREE WHEN FLAPS SET FOR LANDING. FLAPS STOPPED BETWEEN 2 & 5. RAN CHECKLIST & USED ALTERNATE FLAPS SWITCH TO LOWER FLAPS 15. REPLACED LT FLAP POSITION TRANSMITTER T427 IAW AMM 27-58-01-4 00-801 & ADJUST TEST AMM 27-58-01-820-801. RII INSP 10Y70. ROTABLE PARTS CHANGE WAS INDICATED - TT 1712997 SN OFF 02159 FAULT DATA FAULT CODE 1 27-52259. FAULT COMMENTS TE FLAP SENSOR L T427. TRANSMITTER, FL OFF 29-2759-9-0001 2159 ON 29-2759-9-0001 5940.