Service difficulty report · Skin · Boeing 73776N

Difficulty date
February 11, 2020
Submitted
February 17, 2020
Operation
Air carrier
Aircraft
N7885A
Make and model
Boeing 73776N
Aircraft serial
33379
Aircraft time
58,172 hours, 28,570 cycles
Part
Skin
Condition
Cracked
Location
Horizontal Stab
Stage of operation
IN
How discovered
9
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 HORIZONTAL STABILIZER LOWER SKIN CRACKED APPROX. 1.7" LONG I/B OF RIB AT STAB STATION 193.9, 8" FORWARD OF AFT SPAR. / RIGHT HORIZONTAL STABILIZER LOWER SKIN CRACKED APPROX. 1.7" LONG I/B OF RIB AT STAB STATION 193.9, 8" FORWARD OF AFT SPAR. REPAIRED PER EA 1-755-4633 THIS IS A TIME LIMITED REPAIR/ACTION. PERFORM A DETAILED VISUAL INSPECTION OF THE ENLARGED EXTERNAL SPAR DOUBLER AND PERFORM EXTERNAL LOW FREQUENCY EDDY CURRENT(LFEC) INSPECTIONS OF THE SKIN, MODIFICATION SKIN, SPLICE DOUBLER AND SPAR CHORD

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