Service difficulty report · Floor Support · Boeing 747422

Difficulty date
April 8, 2015
Submitted
April 13, 2015
Operation
Air carrier
Aircraft
N199UA
Make and model
Boeing 747422
Aircraft serial
28717
Aircraft time
70,838 hours, 8,112 cycles
Engine
Pwa PW4056
Part
Floor Support
Condition
Damaged
Location
Fuselage
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

REF PTT 8382177. A REPAIR WAS INSTALLED AT UPPER DECK STATION 940, RBL 28 FLOOR SUPPORT IAW SRM 53-00-51 REPAIR 1 FIG 201. THIS IS A CAT B REPAIR REQUIRING INSPECTION IAW SRM 53 -00-51 REPAIR 1 TABLE II BEGINNING AT 20000 PTC AFTER AIRPLANE DELIVERY & REPEAT INSPECTION AT 3000 CYCLE INTERVALS. MF5241 CREATED TO MONITOR & MF5241 ADDED TO MONITOR. THIS IS A MAJOR REPAIR A CAT B PERMANENT REPAIR PROVIDED THE RECHECKS ARE ACCOMPLISHED ON MF5241. REMOVING HARD TIME LIMITS FROM CF9093.