Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
July 3, 2023
Submitted
August 29, 2023
Operation
Air carrier
Aircraft
N297WN
Make and model
Boeing 7377H4
Aircraft serial
32542
Aircraft time
51,861 hours, 31,224 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 AT AREA AFT OF FCB BS535 S-26R WL153. MARKED<[01] INSTALLED EWIS PROTECION ON REPAIR AREA BS 500D-535 BETWEEN STR 24R TO STR 27R IAW AMM 20-60-07.;[02] VERIFIED CORRECTIVE ACTION 1<BR>COMPLETED STEPS 1-3;5 AND 8<BR>PARTIAL STEP 5;[03] COMPLETED STEP 4.;[04] REMOVED EWIS PROTECION ON REPAIR AREA BS 500D-535 BETWEEN STR 24R TO STR 27R IAW AMM 20-60-07.;[05] VERIFIED CORRECTIVE ACTION STEP 4.;[06] VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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