Service difficulty report · Beam · Boeing 737924ER

Difficulty date
December 20, 2025
Submitted
December 23, 2025
Operation
Air carrier
Aircraft
N34455
Make and model
Boeing 737924ER
Aircraft serial
41743
Aircraft time
41,859 hours, 15,431 cycles
Part
Beam
Part number
RBL40875
Condition
Damaged
Location
Zone 200
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

CENTER SECTION LOWER SUPPORT BEAM LOWER STRAP, RBL 40.875 MISSING STRIKER PLATE DAMAGED & DISPLACED LOWER STRUCTURE TRIM & SEAL IAW SRM 51-40-02. REMOVED FASTENERS (NUTPLATES) & CUTOUT DAMAGE IAW SRM 57-10-13-2R-3, STEP 4 (A-E). PERFORMED HFEC INSP OF LOWER BEAM CUTOUT IAW NDTM PART 6, 51-00-00 PART 23. NO DEFECTS NOTED. FLAP PEENED CUTOUT IAW SRM 57-10-13-2R-3, STEP 4 (H). FABRICATED & DRILLED REPAIR PARTS [1], [4] AND [6] IAW SRM 57-10-13-2R-3, STEP 4.(I) & TABLE 201/202. COUNTERSUNK NEW HOLES IAW SRM 57-10-13-2R-3, STEP 4.K. TREATED & PRIMED ALL BARE METAL SURFACES IAW SRM 57-10-13-2R-3, STEP 4. N (1-3). INSTALLED ALL REPAIR PIECES IAW SRM 57-10-13-2R-3, STEP 4.N (4-8). PENDING INSTALLATION OF DOOR AND DOOR ADJUSTMENT AND INSPECTED REPAIR FABRICATION AND INSTALLATION REF SRM57-10-13-2R-3 REPAIR 3 .FROM STEP 4 (I) TO 4 (O) 11.