SDR 33AY2016FA0000063

Service difficulty report · Keelbeam · Boeing 7372T4

Difficulty date: January 7, 2016
Submitted: February 5, 2016
Operation: General aviation
Aircraft: N737CS
Make and model: Boeing 7372T4
Aircraft serial: 23272
System (JASC): 5314 · Fuselage Main, Keel
Part: Keelbeam
Part number: 6545866688
Condition: Corroded
Location: Bs 540-580
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 FOUND LT KEEL BEAM LOWER CHORD, LBBL 6.30, CORRODED BETWEEN BS 540-BS 580. THE CORRODED HORIZONTAL FLANGE SECTION WAS BLENDED AND TRIMMED OUT. INSTALLED REPAIR FILLERS, REPAIR STRAP AND REPAIR ANGLE IAW REPAIR PLAN 121083-R041, REV 02.

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