Service difficulty report · Pressure Deck · Boeing 757222

Difficulty date
August 10, 2012
Submitted
August 14, 2012
Operation
Air carrier
Aircraft
N509UA
Make and model
Boeing 757222
Aircraft serial
24763
Aircraft time
71,818 hours, 26,907 cycles
Engine
Pwa PW2037
Part
Pressure Deck
Condition
Corroded
Location
Bs 1681
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 PRESSURE DECK NUT PLATES BS 1681, RBL 5 - RBL 35. REMOVED CORROSION PER SRM AT STA 1680 RBL 31. REMAINING THICKNESS MEASURES .056-. 057, AREA FOUND TO BE OUT OF LIMITS PER SRM. FABRICATED REPAIR DOUBLER PER ECRA 5330-04259 STEPS 11-14. INSTALLED REPAIR DOUBLER PER ECRA 5330-04259 STEP 17-19. RESTORED EXTERIOR FINISH PER ECRA 5300-04259 STEPS 16-17 AND 20-21. TASK ACCOMPLISHED.