SDR EIA2004069

Service difficulty report · Skin · Boeing 747212B

Difficulty date
August 30, 2004
Submitted
September 13, 2004
Operation
Air carrier
Aircraft
N486EV
Make and model
Boeing 747212B
Aircraft serial
20888
Aircraft time
81,900 hours, 19,422 cycles
Part
Skin
Condition
Corroded
Location
Fusleage
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

AFT BELLY SKIN STRINGER R51 BS 1800 CORROSION BULGE VISIBLE FROM EXTERIOR. CUTOUT BADLY CORRODED SKIN AREA. REMOVED CORROSION FROM STRINGER. DOUBLER WITHIN LIMITS IAW 53-30-03. RII INSP: ACCOMPLISHED ECI PER B747 NDT MANUAL D-6-7170, PART 6, 51-00-00 FIG 23, NO DEFECT DETECTED: LAY OUT PATTERN FOR FASTENERS, PICKED UP HOLES, FABRICATED DOUBLER AND FILLER AND INSTALLED REPAIR PER SRM 53-30-03, FIG 37A. RESTORED ORIG FINISH PER 747MM 20-24-11.

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