Service difficulty report · Floorbeam · Boeing 737824

Difficulty date
August 13, 2026
Submitted
August 18, 2026
Operation
Air carrier
Aircraft
N77542
Make and model
Boeing 737824
Aircraft serial
63647
Aircraft time
27,283 hours, 10,393 cycles
Engine
Cfmint CFM567B27
Part
Floorbeam
Part number
147A550429
Condition
Corroded
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

PASSENGER CABIN AFT WET AREA FLOOR STRUCTURE STA 947 LBL 50 BEAM FOUND WITH CORROSION UNDERNEATH FITTING REF AAR N/R 100057376 ACCOMPLISHED FLOORBEAM REPAIR AT AFT WET AREA STA 947.5, LBL 39.7 TO LBL 56 PER SRM 53-70-51-2R-5 AND ESR -WI : 1-15605. ACCOMPLISHED FLOORBEAM REPAIR AT AFT WET AREA STA 947.5 , LBL 39.7 TO LBL 56 PER SRM 53-70-51-2R-5 ,EC/RA 5370-01249 AND AAR DOCUMENT ESR -WI 1-15605 REV IR, NO DIPS IS REQ.