Service difficulty report · Skin · Boeing 757232

Difficulty date
June 21, 2010
Submitted
July 5, 2010
Operation
Air carrier
Aircraft
N620DL
Make and model
Boeing 757232
Aircraft serial
22910
Aircraft time
72,505 hours, 35,565 cycles
Part
Skin
Part number
14N3531
Condition
Corroded
Location
Zone 100
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

DURING A HEAVY MX INSP EVENT CORROSION BETWEEN STR 29L AND THE FUSELAGE SKIN AT STA 1467. THE UNDERLYING SKIN WAS ALSO CORRODED RESULTING IN A 2.4"LONG X 1.0" WIDE CUT OUT LOCATED AT STA 1467, S29L. AN ADDITIONAL SKIN CUT OUT WAS REQUIRED AT STA 1484, S29L THAT MEASURED 8.0" LONG X 2.50" WIDE. NEW DOUBLER AND TRIPLER WAS FABRICATED FROM 2024-T3 X .063" AND INSTALLED. ITEM WAS RETURNED TO SERVICE. THE STRINGER PN WAS ADDRESSED ON THE SDR ABXR201006220004.