Service difficulty report · Intercostal · Boeing 737

Difficulty date
September 8, 2022
Submitted
September 15, 2022
Operation
Air carrier
Aircraft
N851NN
Make and model
Boeing 737
Aircraft serial
29556
Aircraft time
35,500 hours, 14,729 cycles
Part
Intercostal
Part number
147A566021
Condition
Corroded
Location
Zone 200 - Fuse
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

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT ENTRY AREA INTERCOSTAL LOCATED FROM BS 947 TO BS 987 AT LBL 55. REPLACED INTERCOSTAL PER SRM 51-40-02.