SDR CALA2014022590440

Service difficulty report · Aileron · Boeing 747422

Difficulty date: February 23, 2014
Submitted: February 26, 2014
Operation: Air carrier
Aircraft: N118UA
Make and model: Boeing 747422
Aircraft serial: 28811
Aircraft time: 60,321 hours, 7,115 cycles
Engine: Pwa PW4056
System (JASC): 5751 · Ailerons
Part: Aileron
Condition: Damaged
Location: Lt Wing
Stage of operation: IN
How discovered: V
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

LT AILERON TE HAS SPEED TAPE PEELING OFF, .6 INCHES OF THE REPAIR MATERIAL MISSING & 3 INCHES PEELING OFF. NO DELAMINATION ON LOWER UPPER SURFACE OF AILERON TE. REMOVED DAMAGED CONDUCTIVE STRIP & REPLACED WITH NEW FABRICATED PART IAW AMM57-51-03P80 1. MEASURED RESISTANCE BETWEEN DISCHARGER BASE & CONDUCTING STRIP & RESISTANCE BETWEEN NEW CONDUCTING STRIP & EXISTING CONDUCTING STRIP IAW AMM57-51-03P804, CHECKED GOOD.