SDR F3LA98115

Service difficulty report · Keel Beam · Boeing 737301

Difficulty date
June 29, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N578US
Make and model
Boeing 737301
Aircraft serial
23257
Part
Keel Beam
Condition
Corroded
Location
Bs 500
Stage of operation
IN
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

PAE - DURING C-CHECK INSPECTION, REPORTED KEEL BEAM OUTBOARD LOWER FLANGE CORRODED AT BS 500D PLUS 4 INCH, WL 149. MAINTENANCE REMOVED CORRODED AREA (.9 INCH BY 4.8 INCH). FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 51-40-2 AND 53-30-12, FIG 202-206. (M)