Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
August 8, 2023
Submitted
August 23, 2023
Operation
Air carrier
Aircraft
N413WN
Make and model
Boeing 7377H4
Aircraft serial
29819
Aircraft time
72,820 hours, 42,792 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

AREA AFT OF FORWARD CARGO BAY; STR 27R IS CRACKED AT AFT FASTENER BS 520+18<[01] PARTIAL STEP 1;[02] REPAIRED AREA AFT OF FORWARD CARGO BAY; STR 27R FROM BS 500D+11 TO BS 540 IAW SRM 53-00-03-2R-1;[03] VERIFIED CORRECTIVE ACTION 2 AND MEASUREMENT TABLE

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