Service difficulty report · Skin Panel · Boeing 747422

Difficulty date
October 26, 2014
Submitted
October 27, 2014
Operation
Air carrier
Aircraft
N199UA
Make and model
Boeing 747422
Aircraft serial
28717
Aircraft time
69,618 hours, 7,998 cycles
Engine
Pwa PW4056
Part
Skin Panel
Condition
Worn
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

DURING ACCOMPLISHMENT OF EA 5300-01721 REV C OP 02, WEAR WAS FOUND ON THE PN 65B02512-35 SKIN PANEL AT APPROX STATION 2589, STRINGER 3L. THE BLEND OUT EXCEEDED ALLOWABLE LIMITS IN SRM 53-00-01. DAMAGE WAS CUT OUT & A REPAIR DOUBLER INSTALLED IAW ECRA 5330-04936. THE FUSE SKIN REPAIR INSTALLED IAW ECRA 5330-04936 AT STATION 2589, STRINGER 3L HAS RECEIVED 1ST & 2ND STAGE APPROVAL. A NEW FORM 8100-9 SHOWING COMPLIANCE WITH CFR 26.43 D & 25. 571 MUST BE REC BEFORE ACFT REACHES PTT 71,618, CURRENT PTT 69,618. PLANNING CONTACT EG AFTER 23 NOV 14, BUT BEFORE 23 DEC 14.