Service difficulty report · Failsafe · Boeing 7377BD

Difficulty date
March 2, 2020
Submitted
March 9, 2020
Operation
Air carrier
Aircraft
N7702A
Make and model
Boeing 7377BD
Aircraft serial
33917
Aircraft time
53,747 hours, 28,462 cycles
Part
Failsafe
Part number
147A100660
Condition
Corroded
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

***CORROSION*** ON FAIL SAFE CHORD AT B.S. 1006, BETWEEN STRINGERS 27 LEFT AND 27 RIGHT, W.L. 185.` EVALUATED CORROSION ON FAIL SAFE CHORD AT BS 1006 BETWEEN STRINGERS 27 LEFT AND 27 RIGHT, WL 185 PART #147A1006-60, FOUND .025 REMOVED, ORIGINAL THICKNESS .094 IN A 1"X2" AREA, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-07-1A-1, REMOVED AND REPLACED WITH NEW FAIL SAFE CHORD AT BS 1006, STR 23L-24R WL 185 IAW DWG 147A1006, DWG 147A0040 AND DWG 147A0002

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