SDR DALA2016011300254

Service difficulty report · Ball Screw · Boeing 757232

Difficulty date: January 12, 2016
Submitted: January 13, 2016
Operation: Air carrier
Aircraft: N696DL
Make and model: Boeing 757232
Aircraft serial: 29728
Aircraft time: 58,391 hours, 22,031 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Ball Screw
Condition: Corroded
Location: Flap Drive
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

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

What was found

NR 2 FLAP DRIVE BALLSCREW HAS RUST/CORROSION IN BORE OF BEARING LUG. REPLACED BALLSCREW, REF: AMM 27-51-21. OPEN CHECK TO BE C/W ON CARD 751-2538, STEP 18. UNSUCCESSFUL PARTS CHANGE SENT TO RECORDS 62200 FORCED PARTS RECORD 62200 CORRECTED BY 624337. BALL, SCREW & ON OFF 55-2754-9-0001 90005, ON 55-2754-9-0001 05113.