Service difficulty report · Intercostal · Boeing 757222

Difficulty date
August 19, 2011
Submitted
August 26, 2011
Operation
Air carrier
Aircraft
N576UA
Make and model
Boeing 757222
Aircraft serial
26690
Aircraft time
61,367 hours, 21,772 cycles
Engine
Pwa PW2037
Part
Intercostal
Condition
Corroded
Location
Bs 1000 - 1020
Stage of operation
IN
How discovered
9
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

RIGHT OVERWING HATCH RT INTERNAL LOWER INTERCOSTAL WEB BS 1000 TO 1020 HAS CORROSION. MAJOR REPAIR ACCOMPLISHED: REMOVED CORROSION IAW 51-21-03 AND FOUND TO BE OUT OF LIMITS. REMOVED INTERCOSTAL & FABRICATED A REPLACEMENT AND HEAT TREATED TO T6 IAW SRM. ALODINED AND PRIMED IAW MM. INSTALLED IAW SRM.