SDR DALA2022112907632

Service difficulty report · Intercostal · Boeing 757231

Difficulty date: November 25, 2022
Submitted: November 29, 2022
Operation: Air carrier
Aircraft: N721TW
Make and model: Boeing 757231
Aircraft serial: 29954
Aircraft time: 83,196 hours, 21,517 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs1420-1440 S29l
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

SHIP 6810 SECONDARY NRC, IN REF NRC 197. CORROSION ON INTERCOSTAL STA. 1420 TO 1440, S-29L AT AFT CARGO COMPARTMENT. CORRECTIVE ACTION: SUMMARY OF NRC 00680: INTERCOSTAL STA. 1420 TO 1440, S-29L AT AFT CARGO COMPARTMENT WAS REPAIRED PER B757-200 SRM.