SDR AALA201903186001

Service difficulty report · Flap Track · Boeing 757223

Difficulty date: March 15, 2019
Submitted: March 18, 2019
Operation: Air carrier
Aircraft: N196AA
Make and model: Boeing 757223
Aircraft serial: 32390
Aircraft time: 55,243 hours, 15,550 cycles
System (JASC): 5753 · Trailing Edge Flaps
Part: Flap Track
Condition: Lack Of Lube
Location: Lt Wing Te Flap
Stage of operation: DE
How discovered: O
Nature of condition: W, F, J
Precautionary procedure: L

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

What was found

THE PILOT REPORTED THAT ON FINAL WITH FLAPS 20 SELECTED, FLAPS STOPPED AT 17 DEGREES. ABORTED LANDING, RAN THE FLAP INDICATION CHECKLIST. FLAPS EXTENDED TO 20 IN THE ALTERNATE MODE. THE AIRCRAFT WAS GROUNDED. MAINTENANCE FOUND THE FLAP DISAGREE FAULT CODE 305. THE LT FLAP TRANSMISSION WASINSPECTED AND FOUND NOT TRIPPED. ON FURTHER INSPECTION, FOUND COMPLETELY DRY GREESE FITTINGS AND TRACKS. COMPLETED A TRAILING EDGE LUBRICATION, OPS CHECKED IAW AMM 27-50-00. NO FLAP MESSAGES ACTIVE.