SDR TWAA9909710

Service difficulty report · Frame · Doug DC931

Difficulty date: July 6, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N986Z
Make and model: Doug DC931
Aircraft serial: 47589
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Cracked
Location: Bs 83.5
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, FOUND FRAME CRACKED APPROXIMATELY .75 INCH LONG IN I/B RADIUS AT STA 83.5 X=-10, RT STATION. REF SRM 53-03, PAGE 143. STOP DRILLED CRACK AND ACCOMPLISHED EDDY CURRENT INSPECTION PER NDT 61-00-03. INSTALLED REPAIR DOUBLER PER SRM 53-03, FIG 34 AND ARA 13511.

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