SDR TSAA9751125

Service difficulty report · Keel Beam · Boeing 7372Q9

Difficulty date: May 9, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N809AL
Make and model: Boeing 7372Q9
Aircraft serial: 21720
System (JASC): 5314 · Fuselage Main, Keel
Part: Keel Beam
Condition: Corroded
Location: Bs 535
Stage of operation: IN
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

DISCREPANCIES FOUND DURING C AND CP1 VISIT. BS 6.3 LEFT KEEL BEAM LOWER CHORD CORRODED AND CRACKED AT BS 535. BLENDED CORROSION, OUTSIDE SRM LIMITS. FLAP PEENED PER SRM 51-10-8, FABRICATED REPAIR DOUBLER FROM 7075-T6 EXTRUSION, FILLERS FROM 707T6 INSTALLED. BOEING 8110-3 APPROVAL. (M)

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