- Difficulty date
- January 5, 2023
- Submitted
- February 2, 2023
- Operation
- Air carrier
- Aircraft
- N405WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 27893
- Aircraft time
- 71,985 hours, 42,752 cycles
- Part
- Intercostal
- Part number
- NOTENTERED
- Part serial
- NOTENTERED
- 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 INTERCOSTAL - WEB FLOOR STRUCTURE LOCATED BS 540 BTW LBL 24.75 TO BL 0 CENTER SECTION 2023-36338<[01] REPLACED INTERCOSTAL - WEB FLOOR STRUCTURE LOCATED BS 540 BTW LBL 24.75 TO BL 0 CENTER SECTION IAW B737-700 SRM 51-40-02 AND 51-10-02.<BR>SEE INDIVIDUAL SIGNOFFS BELLOW;[02] CERTIFIED STEP 1; COMPLETED <BR>ITEM RII