SDR SIMA20151130008

Service difficulty report · Skin · Emb EMB145LR

Difficulty date: November 30, 2015
Submitted: January 4, 2016
Operation: Air carrier
Aircraft: N689EC
Make and model: Emb EMB145LR
Aircraft serial: 14500853
Aircraft time: 28,415 hours, 24,539 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
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

RIGHT UPPER AFT FUSELAGE SKIN HAS 2 CRACKS. CRACK 1 IS JUST AFT OF FRAME 75 & ABOVE STRINGER 2R, APPROX 1/4" LONG. CRACK 2 IS ON FRAME 75 AT THE FIRST FASTENER ABOVE STRINGER 2R, APPROX 3/8" LONG. EASI 8071 USED, 100-500 KHZ PROBE, FREQ=400 KHZ, V-GAIN=77.0, H-GAIN=64.0, LPF=100. PERFORMED REPAIR OF RT UPPER AFT FUSELAGE SKIN IAW ERS-EM-53MR-1831. SEE TURNOVER FOR FURTHER DETAILS.

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