Service difficulty report · Stringer Clip · Boeing 73776Q

Difficulty date
January 13, 2023
Submitted
February 16, 2023
Operation
Air carrier
Aircraft
N565WN
Make and model
Boeing 73776Q
Aircraft serial
30282
Aircraft time
56,383 hours, 37,305 cycles
Part
Stringer Clip
Condition
Corroded
Location
Zn 100 Fus Lower
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 STRINGER CLIP AT BS 420 STR 2R<[01] REMOVED CLIP AT BS 420 STR 2R; SRM 51-40-02;[02] LOCATED AND DRILLED NEW STRINGER CLIP AT BS 420 STR 2R IAW B 737-700 SRM 51-40-05-0G-0 DWG 143A112.- OK TO INSTALL.;[03] THIS PART DOES NOT HAVE ENTRY ON THE LOWER ALLOWABLE DAMAGE LIMITS THERE FOR IT HAS TO BE REPAIRED BY REPLACEMENT PER SRM 51-10-02 STEP 9;[04] VERIFIED CORRECTIVE ACTION 1-3 OK TO INSTALL;[05] INSTALLED STRINGER CLIP AT BS 420 STR 2R PER REF SRM 51-40-02 AND DWG 143A112;[06] VERIFIED CORRECTIVE ACTION 5 AND MEASUREMENT TABLE.

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