Service difficulty report · Rib · Boeing 747121

Difficulty date
May 8, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N691UP
Make and model
Boeing 747121
Aircraft serial
19641
Part
Rib
Condition
Corroded
Location
Lt Horiz Stab
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

INSPECTION TYPE: MODERATE CORROSION ON LOWER ANGLE ON RIB AT STABILIZER, BL 372 LEFT. CORRODED ANGLE REMOVED. REPAIR CARRIED OUT PER QUERY NOTE 3/3/96 AND SRM 51-40-04, FIGURE 2.