SDR P5CA0501400

Service difficulty report · Fitting · Boeing 747283B

Difficulty date: September 22, 2005
Submitted: September 22, 2005
Operation: Air carrier
Aircraft: N921FT
Make and model: Boeing 747283B
Aircraft serial: 21575
Aircraft time: 66,109 hours, 14,768 cycles
System (JASC): 5740 · Wing, Attach Fittings
Part: Fitting
Condition: Corroded
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

LEFT WING AT UPPER CHORD OF SPLICE FITTING OF WING REAR SPAR HAS CORROSION BETWEEN WS 553 AND WS 558. CORROSION BLENDED OUT IAW SRM 57-30-01. HFEC & ULTRASONIC INSPECTION OF AREA CONFIRMED REMOVAL OF CORROSION IAW NDT 06-7170 PT 6, 51-00-00 FIG 23, 12. D6-7170 PT4.