Service difficulty report · Threshold · Boeing 747271C

Difficulty date
July 26, 2007
Submitted
August 24, 2007
Operation
Air carrier
Aircraft
N537MC
Make and model
Boeing 747271C
Aircraft serial
22403
Aircraft time
97,429 hours, 19,113 cycles
Part
Threshold
Condition
Corroded
Location
Zone 200
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

CORROSION ON RIGHT AFT LOWER CORNER CUTOUT INNER SURFACE MED NR 3. REMOVED CORROSION AND BLENDED AREA20:1 MIN REMAINING MATERIAL .222". REMOVED CORNER DOUBLER. INSTALLED NEW DOUBLER. INSTALLED NEW THRESHOLD IAW SRM 51-10-01, 51-30-02, 51-30-04 BOEING MESSAGE NR 1-383704990-2.