Service difficulty report · Access Panel · Boeing 757251

Difficulty date
February 15, 2013
Submitted
February 25, 2013
Operation
Air carrier
Aircraft
N550NW
Make and model
Boeing 757251
Aircraft serial
26497
Aircraft time
31,922 hours, 12,339 cycles
Part
Access Panel
Condition
Corroded
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

LEFT WING FUEL CUTOUTS DISCOVERED CORROSION AND PITTING AT PANEL CUTOUTS 541EB AND 541 FB LWR LIP. REMOVED CORROSION AND PITTING FROM RT WING PANEL 541EB AND 541FB LWR LIP CUTOUT IAW SRM 57-20-01, PG 203. ORIG MATERIAL THICKNESS IS .210 IAW DWG 69-35321 MAT LOSS IS .010 AND .012 REMAINING MAT THICKNESS IS .200 AND .198 WITHIN LIMITS IAW SRM 57-20-01. REPAIR 5 PG 203, FIG 201, DETAIL 13. FLAP PEENED REWORKED AREAS FOR PANEL 541EB AND 541FB IAW SRM 57-20-01 PG 201 AND SOPM 20-10-03. TREATED AND PRIMED REWORKED AREAS IAW SRM 51-20-01, PG 3-7 AND AMM 28-11-00-607-055, PG 1-10, COMPLETED.