Service difficulty report · Support · Boeing 747200

Difficulty date
October 28, 2004
Submitted
November 10, 2004
Operation
Air carrier
Aircraft
N521UP
Make and model
Boeing 747200
Aircraft serial
21944
Aircraft time
73,613 hours, 17,591 cycles
Part
Support
Part number
65B15085886
Condition
Corroded
Location
Keelbeam
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, FX - KEEL BEAM PANEL SUPPORT LOWER SURFACE FOUND SURFACE CORROSION AT STA 1480 LBL 16 TO RBL 16. CORROSION REMOVED IAW SRM 51-10-01. CORROSION BLEND OUT 0.040 X 1 X 3 INCH. CORROSION BLEND OUT EXCEED SRM 53-10-01 FIG 1 LIMITS. PANEL SUPPORT REPLACED AS PER SRM 51-10-01 FIG 8. CIC APPLIED IAW EO NR M-5100-2780-E.

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