Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
December 31, 2023
Submitted
January 16, 2024
Operation
Air carrier
Aircraft
N235WN
Make and model
Boeing 7377H4
Aircraft serial
34630
Aircraft time
58,729 hours, 35,469 cycles
Part
Intercostal
Part number
UNKNOWN
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.

What was found

CORROSION ON AFT CARGO BAY WEB AT BS 827-847 STRINGER 27 R/H<[01] REMOVED AND REPLACED ACB INTERCOSTAL FROM BS 827 TO BS 847 RBL 6 WL 156 IAW SRM 51-40-02-0G-0 AND DWG# 146A8130 AND DWG # 146A8131;[02] VERIFIED CORRECTIVE ACTION ITEMS; AND MEASUREMENT FIELDS CARD COMPLETE.

More about the Boeing 737-7H4