Service difficulty report · Unknown · Boeing 737823

Difficulty date
September 16, 2023
Submitted
September 28, 2023
Operation
Air carrier
Aircraft
N877NN
Make and model
Boeing 737823
Aircraft serial
31131
Aircraft time
35,619 hours, 15,142 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Corroded
Location
Zone 100 - Fuse
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

AIRCRAFT IN BASE MAINTENANCE: CORROSION AROUND FASTENER HOLE ON FLOOR BEAM UPPER CHORD LOCATED AT BS 986 AND RBL 45. REPAIR FLOOR BEAM PER SRM 53-70-51-2R-6 ALTERNATIVE 4.