SDR DALA14016356312

Service difficulty report · Channel · Boeing 747451

Difficulty date: March 10, 2014
Submitted: March 13, 2014
Operation: Air carrier
Aircraft: N672US
Make and model: Boeing 747451
Aircraft serial: 30267
Aircraft time: 64,054 hours, 7,940 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Condition: Cracked
Location: Bs 1120
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

A CRACK WAS FOUND IN THE FWD CHANNEL ON BS 1120 ON THE RT SIDE OF AIRPLANE. CHANNEL REPAIRED IAW SRM 53-40-30, REPAIR 2. HFEC INSPECTED THE CHANNEL CUT OUT EDGE AND FASTENER HOLES, FOUND NO CRACK IAW NDTM PART 6, 51-00-00 FIG 16 AND FIG 23, REPAIR ANGLES FABRICATED AND NEW CHANNEL FABRICATED, INSTALLED IAW SRM 53-40-30, REPAIR 2 & SRM 51-40-02.