SDR TWAA0000912

Service difficulty report · Keel Beam · Doug DC983

Difficulty date: January 9, 2000
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N110HM
Make and model: Doug DC983
Aircraft serial: 49787
System (JASC): 5314 · Fuselage Main, Keel
Part: Keel Beam
Condition: Cracked
Location: Bs 936
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

DURING OP 16 MAINT CHECK AT STA 936, LBL 6 IN, THE AFT SIDE OF KEEL BEAM STRUCTURE HAD 2 EA 5 IN VERTICAL CRACKS, ONE AT RADIUS 1 1/8 AND SECOND AT RADIUS 1/2 IN, BOTH ON SAME MEMBER. REPLACED PER SRM 53-05, FIG 81 PAGE 267, DRAWING NUMBER REF 5936360.

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