SDR UPS00433931

Service difficulty report · Forging · Boeing 747121

Difficulty date: July 14, 2000
Submitted: October 12, 2000
Operation: Air carrier
Aircraft: N691UP
Make and model: Boeing 747121
Aircraft serial: 19641
Aircraft time: 95,273 hours, 22,812 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Forging
Condition: Corroded
Location: Fuselage
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

INSPECTION TYPE:C, CABIN WINDOW FORGING CORRODED AT BS 940 - 960 RT SIDE. BOEING TELEX TEL-DUB-00-00765H REFERS. FORGING REMOVED IAW SRM 51-30-01, CORROSION REMOVED IAW SRM 51-10-01 & 56-20-01, CORR DEPTH .008. FORGING REWORKED IAW QUERY NOTE 20/20 00, BLEND OUT CORR, O/SIZE HOLES NDT INSP FORGING REFIT IAW 51-30-02.