Service difficulty report · Intercostal · Boeing 737752

Difficulty date
October 28, 2023
Submitted
November 27, 2023
Operation
Air carrier
Aircraft
N7888A
Make and model
Boeing 737752
Aircraft serial
35124
Aircraft time
52,977 hours, 27,703 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 FLOOR SUPPORT INTERCOSTAL AT BS 302 TO BS 305; LBL 11.5; WL 208<[01] ALL STEPS COMPLETED;[02] REMOVED AND INSTALLED NEW INTERCOSTAL P/N:141A5690U1; LOT#1541307-1 AT BS294-BS312 LBL 11.5 IAW SRM 51-40-02; DWG#141A5600;[03] VERIFIED CORRECTIVE ACTION ITEM 2; MEASUREMENTS TABLE OK; CARD COMPLETE.