SDR UIEA2011070800360

Service difficulty report · Keelbeam · Boeing 7474H6

Difficulty date: July 8, 2011
Submitted: July 29, 2011
Operation: Air carrier
Aircraft: N718BA
Make and model: Boeing 7474H6
Aircraft serial: 27042
Aircraft time: 60,357 hours, 8,023 cycles
System (JASC): 5314 · Fuselage Main, Keel
Part: Keelbeam
Part number: 65B109949
Condition: Corroded
Location: Bs 1307
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

LEVEL II CORROSION ON KEELBEAM NEAR BS 1307,WL 116, LBL 9. CORROSION WAS BLENDED. BLENDED AREA WAS SHOT PEENED, ALODINED, PRIMED AND TOP COATED USING WHITE ENAMEL. A LAYER OF CORROSION COMPOND WAS APPLIED TO THE REWORKED AREA. AFTER REWORK THE DAMAGE IS CONSIDERED ACCEPTABLE.

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