Service difficulty report · Intercostal · Boeing 737823

Difficulty date
October 2, 2017
Submitted
October 9, 2017
Operation
Air carrier
Aircraft
N929AN
Make and model
Boeing 737823
Aircraft serial
30078
Aircraft time
52,669 hours, 21,639 cycles
Part
Intercostal
Part number
6554862
Condition
Corroded
Location
Bs 1024 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.

What was found

CORROSION ON AFT PRESSURE BULKHEAD WATER SEAL INTERCOSTAL AT BS 1024, RBL 20. REMOVED AND REPLACED THE INTERCOSTAL IAW SRM 51-40-02.