What was found
AFT PRESSURE BULKHEAD WATER SEAL INTERCOSTAL IS CORRODED AT LBL 12. REPLACED THE INTERCOSTAL IAW 51-00-05, AND DRAWING 148A0922, REVISION A.
- Difficulty date
- April 16, 2018
- Submitted
- April 18, 2018
- Operation
- Air carrier
- Aircraft
- N939AN
- Make and model
- Boeing 737823
- Aircraft serial
- 30083
- Aircraft time
- 52,036 hours, 21,524 cycles
- System (JASC)
- 5312 · Fuselage Main, Bulkhead
- Part
- Intercostal
- Part number
- 655486218
- Condition
- Corroded
- Location
- Bs 663 Bulkhead
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.