Service difficulty report · Stringer · Boeing 73776Q

Difficulty date
January 11, 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
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

CRACK ON FWD CARGO BAY END OF STRINGER AT BS 540 STRINGER 25R.<[01] CUT AND REMOVED THE DAMAGED PART OF STRINGER 25R BETWEEN BS 500D+10 AND BS 540 IAW SRM 53-00-03-2R-1 REPAIR 1;[02] VERIFIED CORRECTIVE ACTION STEP 1.;[03] REPAIRED FWD CARGO BAY STRINGER AT BS 500D - 540 IAW SRM 53-00-03-2R-1 REPAIR 1 AND ER: 23-153-00233-WIP1;[04] VERIFIED CORRECTIVE ACTION 3.;[05] 'THE DAMAGE WAS REPAIRED PER 737-700 SRM 53-00-03-2R-1 (REPAIR 1) AND EA 23-153-00233'.;[06] VERIFIED CORRECTIVE ACTION ITEMS AND MEASUREMENT FIELDS; EXCEPT FOR ITEM 4 EXISTING REPAIR (BLANK);[07] UPDATED MEASUREMENTS;[08] UPDATED MEASUREMENT TABLE ; ALL MAINTENANCE ITEMS COMPLETE;[09] VERIFIED CORRECTIVE ACTIONS 7 AND 8

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