Service difficulty report · Flange · Boeing 727233

Difficulty date
January 19, 2008
Submitted
January 21, 2008
Operation
Air carrier
Aircraft
N267FE
Make and model
Boeing 727233
Aircraft serial
21673
Aircraft time
49,336 hours, 30,087 cycles
Part
Flange
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

RT W/W PRESSURE DECK FUEL SHROUD MOUNTING FLANGE IS CORRODED AT BS 890 TO 888, RBL 63", WL 200. REMOVED CORROSION SRM 51-10-1 PG 15,15. ORIG THICKNESS IS .100", REMAINING "T" IS .061, LOSS OF .039' REF SRM 53-10-1 FIG 1. MEASURED USING TOOL AAR 18172, DUE DATE OF 10/15/08. NDT INSPECTION USING HFEC IAW 727 NDT MANUAL PART 6 51-40-00 FIG 23 TOOL NR IN22-0044 DUE DATE OF5/21/08. NO DEFECTS NOTED. FLAP PEENED BLENDED AREA SOPM 20-10-30 FIG 19. TREATED AND PRIMED AREA SRM 51-10-2 PG 7. APPLIED ONE COAT OF BMS3-23. THIS REPAIR IS WITHIN LIMITS OF FED EX EA 7-5310-113133 LEVEL 1 CORROSION.