SDR DALA1133189866

Service difficulty report · Frame · Doug DC951

Difficulty date: May 10, 2011
Submitted: May 11, 2011
Operation: Air carrier
Aircraft: N775NC
Make and model: Doug DC951
Aircraft serial: 47785
Aircraft time: 73,589 hours, 69,813 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
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

MAIN CABIN STA 503 FRAME AT L17L CRACKED AT FASTENER CUT OUT DAMAGED SECTION 1 1/4 BY 3 3/4 IAW DC9 SRM 53-03 FIG 32. NDT VERIFIED DAMAGE REMOVED. FABRICATED 1-32 ANGLE FROM 7075-0.071. HEAT TREATED ON PEMCO TRAVELER NR 2547 NO 1585 TO 7075-T6. FABRICATED 1-29 FILLER MAT .063 7075-T6. RECEIVED ANGLE -5. FABRICATED 2-7 DOUBLER FROM .100 7075-T6. INST REPAIR IAW DC-9 SRM 53-03 FIG 32. INSTALLED PER DPS 900-5-1 NR 4.

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