What was found
AFT WET AREA STA. 947+2 INCHES; LBL51 ON MACHINED INTERCOSTAL; NEXT TO LAV MOUNT HAS CORROSION.<[01] INTERCOSTAL FOUND TO BE OUT OF LIMITS; REMOVED AND REPLACED WITH NEW PART PER SRM 53-70-51-1A-1 AND SRM 51-40-02
- Difficulty date
- August 3, 2023
- Submitted
- August 30, 2023
- Operation
- Air carrier
- Aircraft
- N8549Z
- Make and model
- Boeing 7378H4
- Aircraft serial
- 63597
- Aircraft time
- 19,232 hours, 9,537 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- NOTREPORTED
- Condition
- Corroded
- 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.