Service difficulty report · Stringer · Boeing 737824

Difficulty date
September 12, 2025
Submitted
October 6, 2025
Operation
Air carrier
Aircraft
N33284
Make and model
Boeing 737824
Aircraft serial
31635
Aircraft time
66,203 hours, 24,624 cycles
Part
Stringer
Part number
143A78116
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

CORROSION AT FWD CARGO AFT (AIR CONDITIONING DISTRIBUTION BAY) STR 28 RIGHT STA 537.DOT251-084. (REF AAR N/R 99951025) ESFR TRANSACTION COMPLETE PERFORMED REPAIR TO THE RIGHT-HAND KEEL BEAM UPPER INNER CHORD IN ACCORDANCE WITH AAR-MIA ESR-WI NO.: 2023803-28-12809, WHICH IS INCLUDED ON PAGES 2 THROUGH 7 OF THIS ECRA#5330-07612 WORK ACCOMPLISHED BY V894498 INSP-250 ESFR NO.:1845 DONE BY:U348570