Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
March 10, 2023
Submitted
April 18, 2023
Operation
Air carrier
Aircraft
N281WN
Make and model
Boeing 7377H4
Aircraft serial
36528
Aircraft time
51,516 hours, 31,045 cycles
Part
Stringer
Condition
Cracked
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

AFT CARGO BAY - STRINGER CLIP HAS A CRACK BS 747 STR 26L.<[01] REMOVED STRINGER CLIP IN AFT CARGO BAY BS747 STR 26L IAW SRM 51-40-02.;[02] THIS PART DOES NOT ALLOWABLE DAMAGE WILL BE REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0 STEP 9;[03] VERIFIED CORRECTIVE ACTION 2;[04] LOCATED AND DRILLED IAW SRM 51-40-05 AND DGW 146A1260.;[05] VERIFIED CORRECTIVE ACTION 4;[06] OK TO INSTALL STRINGER CLIP AT BS 747 STR 26L.;[07] VERIFIED CORRECTIVE ACTION STEP 6. VERIFIED OK TO INSTALL.;[08] INSTALLED STRINGER CLIP AT BS 747 STR 26L. IAW SRM 51-40-02 AND DWG 146A1260;[09] VERIFIED CORRECTIVE ACTION STEP 8.;[10] VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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