Service difficulty report · Keelbeam · Doug DC951

Difficulty date
March 5, 2011
Submitted
March 30, 2011
Operation
Air carrier
Aircraft
N779NC
Make and model
Doug DC951
Aircraft serial
48101
Aircraft time
71,333 hours, 66,584 cycles
Part
Keelbeam
Condition
Cracked
Location
Fuselage
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

KEEL AREA BETWEEN DOORS, THRU ACCESS 5501NW LBL 6 ANGLE CRACKED APPROX 2 INCHES. CUT OUT DAMAGED ANGLE IAW ENGINEERING SERVICE REQUEST 2496N01328 AND DC9 SRM 53-01. FABRICATED NEW ANGLE FROM 7075-0 .063 AND REPAIR ANGLES FROM7075-T6 .032 IAW DWG 9923459. HEAT TREATED ON PEMCO TRAVELER2496N01393. INSTALLED ALL REPAIR PARTS IAW SRM 53-01 AND SERVICE REQUEST 2496N01328 P102 29 MAR 11 REQ INSP COMPLETED 14 MAR 11.

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