Service difficulty report · Channel · Boeing 7472D7B

Difficulty date
September 1, 2011
Submitted
September 9, 2011
Operation
Air carrier
Aircraft
N523MC
Make and model
Boeing 7472D7B
Aircraft serial
21782
Aircraft time
104,519 hours, 21,333 cycles
Part
Channel
Condition
Cracked
Location
Bs 920
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

DURING INSPECTION IAW EO 4753B328, A FASTENER HOLE CRACK WAS FOUND AT TENSION TIE FWD CHANNEL AT BS 920 LT. CRACK LENGTH WAS 0.125" AND RUNNING OTBD AT 6 O'CLOCK. THE DAMAGED TENSION TIE WAS REPAIRED IAW WORK STEP 29 D OF PART 1 OF EO 4753B328.

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