Service difficulty report · Skin · Boeing 777222

Difficulty date
May 27, 2014
Submitted
June 5, 2014
Operation
Air carrier
Aircraft
N772UA
Make and model
Boeing 777222
Aircraft serial
26930
Aircraft time
74,473 hours, 13,244 cycles
Engine
Pwa PW4077
Part
Skin
Condition
Dented
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

FUSELAGE EXTERIOR SKIN DENT AT STATION 2100 RT STRINGER 29R - 30R. DENT OUT OF LIMITS IAW 53-00-01. THIS EXT DOUBLER REPAIR 7 IS A CAT B REPAIR IN ZONE B. SUBSEQUENT INSPECTIONS ARE NECESSARY FOR REPAIR 7 IAW PARA 6 REPAIR 7 PAGE 216, TABLE 204. INTERNAL HFEC RECOMMENDED IAW NDT. IAW NDT PART 6, 53-00-06 & DETAILED VISUAL INSPECTION PARTIAL. DOUBLER REPAIR AT STATION 2087 TO 2108. STRINGER 29R - 30R REQ RE INSPECTION EVERY 16K CYCLE THRESHOLD AT TIME OF REPAIR. CURRENT PTC=13244. INITIAL CRITICAL ROWS OF FASTENERS ARE ZERO TIMED. MF4149 ADDED TO MONITOR. HOLES 0 TIMED THRESHOLD IS 30000 CYC FROM TIME REPAIR WAS INSTALLED WITH REPEAT INSP EVERY 16000 CYC THEREAFTER. INSPECTION IAW SRM 53-00-01 RPR 7 TABLE 204. THIS IS A PERM REPAIR PROVIDED REPEAT INSPECTION ON MF4149 ARE ACCOMPLISHED. MOVED CF548 TO CF9 STATUS & REMOVED HARD TIME LIMITS.