SDR IPXA1B66715

Service difficulty report · Rib · Boeing 7474R7F

Difficulty date: April 11, 2011
Submitted: May 20, 2011
Operation: Air carrier
Aircraft: N582UP
Make and model: Boeing 7474R7F
Aircraft serial: 29053
Aircraft time: 70,234 hours, 12,978 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Rib
Condition: Corroded
Location: Bs 1170 Bl 0
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:D, FX STA 1120, BL 0 KEEL BEAM PANEL SUPPORT RIB FOUND CORRODED. CORROSION REMOVED & REPROTECTED IAW SRM 51-10-02 AND 51-20-01 REV 5 59. ORG THK 0.100". BLEND DEPTH 0.006" X WIDTH 1", LENGTH 2" WITHIN SRM 53-00-71 ALLOWABLE DAMAGE 1, FIG 101, REV 59 LIMITATION.

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