Service difficulty report · Web · Boeing 7377H4

Difficulty date
September 27, 2023
Submitted
September 27, 2023
Operation
Air carrier
Aircraft
N924WN
Make and model
Boeing 7377H4
Aircraft serial
36628
Aircraft time
49,976 hours, 30,236 cycles
Part
Web
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

CENTER WING REAR SPAR VAPOR WEB HAS AN APPROXIMATE 18 INCH CRACK BEGINNING INBOARD OF THE SYS.A HYD. PRESSURE MODULE INBOARD MOUNT AND EXTENDING APPROX. 6 INCHES TO LEFT OF LBL 45.64 STIFFENER.<[01] C/W EA 23-157-02932;[02] COMPLIED WITH EA 23-157-02932. ALSO REFERENCE PREVIOUS DOCUMENTATION OF CRACK; PERMANENT REPAIR AND INTERIM REPAIR. TTG8Q00M8KD2; TTG8Q00M8B6K; TSR 2023005578; TTG8Q00NBF8B; TTG8Q00NBFEQ AND TTG8Q00M8RRZ

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