SDR AALA202503213169

Service difficulty report · Intercostal · Boeing 737823

Difficulty date: March 5, 2025
Submitted: March 21, 2025
Operation: Air carrier
Aircraft: N959AN
Make and model: Boeing 737823
Aircraft serial: 30828
Aircraft time: 67,206 hours, 28,829 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Zone 100
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: DURING TASK (CPCP 53-250-00) AFT CARGO COMPARTMENT BILGE AREA INTERCOSTAL AT BS 727A TO 727B STR 27R HAS CORROSION. REMOVED CORROSION AT AFT CARGO COMPARTMENT BILGE AREA INTERCOSTAL BETWEEN BS 727A TO 727B STR 27R.