SDR 33AY2016FA0000053

Service difficulty report · Keelbeam · Boeing 7372T4

Difficulty date: January 6, 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
Condition: Cut
Location: Bs 668-672
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, LBL 6.30, CORRODED AND CRACKED BETWEEN BS 668 - 672. THE KEEL BEAM LOWER CHORD WAS CUT AT BS 625 AND THE KEEL BEAM AFT SEGMENT WAS REMOVED AND THEN REPLACED WITH NEW PART BETWEEN BS 625-BS 727+16 IAW REPAIR PLAN NR 121083-R041, REV 02.

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