Service difficulty report · Sleeve · Boeing 73781Q

Difficulty date
October 6, 2012
Submitted
October 18, 2012
Operation
Air carrier
Aircraft
N520AM
Make and model
Boeing 73781Q
Aircraft serial
29052
Aircraft time
36,957 hours, 12,866 cycles
Part
Sleeve
Condition
Damaged
Location
Thrust Reverser
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 TRANSIT CHECK, FOUND A LIGHTNING STRIKE ON RT OUTER THRUST REVERSER TRANSLATION SLEEVE SKIN LOCATED AT 03:00 HRS POSITION. MX PERSONNEL PERFORMED A LIGHTNING STRIKE CONDITIONAL INSP IAW MM 05-51-19, DETECTING A CRACK IN THE AFT L/E OF 0.5" LENGTH AND FOUND IT WITHIN LIMITS IAW SRM 54-30-01 ALLOWABLE DAMAGE 1, PARA 4.B.(7). THE NRC A0194377 WAS ISSUED TO PERFORM PERMANENT REPAIR ON THE DAMAGES.

More about the Boeing 737-81Q