Service difficulty report · Stringer Clip · Boeing 7377H4

Difficulty date
May 12, 2023
Submitted
June 20, 2023
Operation
Air carrier
Aircraft
N429WN
Make and model
Boeing 7377H4
Aircraft serial
33658
Aircraft time
66,602 hours, 39,316 cycles
Part
Stringer Clip
Part number
UNKNOWN
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 CLIP AT ACB BS727D RBL7 WL151.<[01] EVALUATED CORROSION DAMAGE ON CLIP AT ACB BS 727D; RBL7 WL 151 FOUND TO BE OUT OF LIMITS DUE NOT LIMITS IN SRM PARTS WILL BE REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0;[02] REMOVED CLIP AT ACB BS 727D RBL7 IAW SRM 51-40-02-0G-0;[03] OBTAINED NEW STRINGER CLIP AT ACB BS727D S-27R RBL7 P/N 146A1320-81 LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG # 166A1320 ; OK TO INSTALL;[04] VERIFIED CORRECTIVE ACTION ITEMS 1; 2; 3.<BR>OKAY TO INSTALL NEW CLIP GIVEN.;[05] INSTALLED NEW STRINGER CLIP AT ACB BS727D S-27R RBL7 P/N 146A1320-81 IAW SRM 51-40-05 AND DWG #146A7810;[06] INSTALLED NEW STRINGER CLIP AT ACB BS727D S-27R RBL7 P/N 146A1320-81 IAW SRM 51-40-02 AND DWG #146A7810;[07] UPDATE MEASUREMENT TABLE;[08] VERIFIED MEASUREMENT TABLE;[09] VERIFIED CORRECTIVE ACTION 5 AND 6

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