Service difficulty report · Skin · Boeing 727232

Difficulty date
April 23, 2008
Submitted
April 23, 2008
Operation
Air carrier
Aircraft
N498FE
Make and model
Boeing 727232
Aircraft serial
20867
Aircraft time
56,536 hours, 46,536 cycles
Part
Skin
Part number
6518636280
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

MLG W/W KEEL BEAM LWR EXT SKIN PANEL AT BS 940 TO 950 PLUS 12, LBL 5- RBL 5 HAS SEVERAL AREAS OF CORROSION REMOVED AREAS OF CORROSION. REMOVED 0.005 INCH FROM ORIGINAL SKIN THICKNESS OF 0.071 INCH. 0.066 INCH REMAINING AND SKIN PANEL IS WITHIN LIMITS. TREATED, PRIMED AND PAINTED AFFECTED AREA. REFERENCE SRM 51-10-6/PAGES 12-15, SRM 53-10-1/FIGURES 1 AND 2 MM 51-20-021-7, MS51-20-031-7 AND MM 51-20-013-7. CLASSIFIED AS A MAJOR REPAIR, LEVEL 1 CORROSION.