Service difficulty report · None · Boeing 7377H4

Difficulty date
October 4, 2021
Submitted
November 24, 2021
Operation
Air carrier
Aircraft
N780SW
Make and model
Boeing 7377H4
Aircraft serial
27885
Aircraft time
68,861 hours, 40,837 cycles
Part
None
Condition
Corroded
Location
Fuselage
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

CORROSION ON B.S. 1016 CHORD BETWEEN STRINGERS 25 LEFT AND 25 RIGHT; W.L. 190. ; / [01] EVALUATED CORROSION ON CHORD SPLICE; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] VERIFIED CORRECTIVE ACTION ITEM 1.; [10] INSPECTED ACTION 9; OK TO INSTALL; [11] INSTALLED BS 1016 CHORD B/W STR 26L-26R WL 190 IAW SRM 51-40-02-0G-0; DWG# 148A0070.; [12] TORQUE WRENCH ID #3274D; SN: 1298502641; CAL DATE: 11/2021; [13] VERIFIED CORRECTIVE ACTIONS 11 AND 12.; [14] INSTALLED STR 27L AND STR 27R STR END FITTINGS; APPLIED FILLET SEAL TO ALL AREAS; AND APPLIED CIC TO AREA; IAW SRM 51-40-02-0G-0; SRM 51-40-04-0G-0; DWG# 148A0070.

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