Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
April 3, 2024
Submitted
May 9, 2024
Operation
Air carrier
Aircraft
N475WN
Make and model
Boeing 7377H4
Aircraft serial
32474
Aircraft time
65,737 hours, 39,139 cycles
Part
Stringer
Part number
UNKNOWN
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

CRACKED STRINGER MAIN DISTRIBUTION BAY BS535 S-25L WL150<[01] CRACK FOUND TO BE OUT OUR LIMITS AS PER SRM 53-00-03-1A-1;REMOVED DAMAGED SECTION OF STRINGER 25 L/H BETWEEN BS 500D+11.5' TO BS 536 PER SRM 53-00-03-2R-1 PAR 4 ;STEP B ;FIG 205 AND REPAIRED IAW SRM 53-00-03-2R-1.;[02] VERIFIED ALL STEPS AND CORRECTIVE ACTION ITEMS; CARD COMPLETE.

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