SDR EIA2000240

Service difficulty report · Spar · Boeing 747132

Difficulty date: August 12, 2000
Submitted: January 23, 2001
Operation: Air carrier
Aircraft: N479EV
Make and model: Boeing 747132
Aircraft serial: 19898
System (JASC): 5711 · Wing Spar
Part: Spar
Condition: Corroded
Location: Center Tank
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

B-CHECK, CENTER TANK FRONT SPAR LOWER CHORD FOUND CORRODED AT DRAG SPLICE FITTING AT STATION 990 STRINGER 38R. CORROSION REMOVED PER SRM 51-10-01 AND REPROTECTED PER SRM 51-10-02. CORROSION BLEND OUT DEPTH .010 INCH, WIDTH 1 INCH, LENGTH 4 INCH WITH SRM 51-10-01 LIMIT. EDDY CURRENT INSPECTION C/OUT PER NDT D6-7170 PT 6 51-00-00 FIG 4. REWORK AREA, NO CRACK REVEALED. (M)