Service difficulty report · Pressure Panel · Boeing 747123F

Difficulty date
October 19, 2006
Submitted
November 17, 2006
Operation
Air carrier
Aircraft
N677UP
Make and model
Boeing 747123F
Aircraft serial
20391
Aircraft time
97,105 hours, 24,042 cycles
Part
Pressure Panel
Condition
Corroded
Location
Bs 1416
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

INSPECTION TYPE:C LEFT B/G WHEEL WELL STA 1416 I/B AREA LBL 6 UPPER PRESSURE FLOOR ATTACH SURFACE FOUND CORROSION AS MARK. CORROSION BLEND OUT 0.033" X 1/2" X 2" EXCEED SRM LIMIT. LEFT BLG WHEEL WELL BS 1416 I/B AREA PRESSURE WEB REPAIRED AS PER SRM 53-10-07 FIG 15. SUBSEQUENT INSP ARE NECESSARY FOR CAT B REPAIR REFER SRM 53-10-07 FIG 15 TABLE 2 FOR INSP REQUIREMENT.