Service difficulty report · Frame · Boeing 737824

Difficulty date
September 30, 2025
Submitted
October 7, 2025
Operation
Air carrier
Aircraft
N27239
Make and model
Boeing 737824
Aircraft serial
28951
Aircraft time
79,293 hours, 29,659 cycles
Part
Frame
Part number
144A24123
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

FOUND CORROSION AT LT MLG FAILSAFE STRAP EXTERNAL AT STA 663.75 WL199. PERFORMED A REPAIR TO THE OUTER SURFACE OF THE BS 663.75 REAR SPAR BULKHEAD FRAME LT FAILSAFE STRAP NEAR WL 199 IAW AAR-MIA ESR-WI NO.: 2023704-15-12772 AND EC/RA 5340-02240. INITIATE A DIP LOGPAGE TO READ AS FOLLOWS: AFTER THE ACCUMULATION OF 49,900 TOTAL ACFT FLT CYCLES, BUT BEFORE 50,000, PERFORM AN INSPECTION OF OUTER SURFACE OF BS 663.75 REAR SPAR BULKHEAD FRAME LT FAILSAFE STRAP NEAR WL 199 ON ACRT N27239 IAW PART 2 OF LATEST REVISION OF ECRA 5340-02240.