SDR DALA2015102306487

Service difficulty report · Ball Screw · Boeing 757231

Difficulty date: October 22, 2015
Submitted: October 26, 2015
Operation: Air carrier
Aircraft: N717TW
Make and model: Boeing 757231
Aircraft serial: 28485
Aircraft time: 57,617 hours, 15,504 cycles
System (JASC): 5753 · Trailing Edge Flaps
Part: Ball Screw
Condition: Corroded
Location: Rt Wing Te Flap
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

WHILE WORKING AN INSPECTION, RT INBD T/E FLAP BALLSCREW RT INBD T/E FLAP INBD BALLSCREW FOUND CORRODED. REMOVED RT INBD FLAP INBD BALLSCREW IAW AMM 27-51-11 . OFF PN, OFF SN 5467, OK TO INSTALL BALLSCREW ASSY IAW AMM 27- 51-11, PN 7821344, SN DL 15. REPLACED BALLSCREW ASSY IAW AMM 27-51-11. OPS TEST ON BALLSCREWS C/W ON R/C 2751-2542, STEP 18.