Service difficulty report · Skin · Boeing 75733N

Difficulty date
March 31, 2010
Submitted
April 5, 2010
Operation
Air carrier
Aircraft
N550TZ
Make and model
Boeing 75733N
Aircraft serial
32584
Aircraft time
21,575 hours, 6,394 cycles
Part
Skin
Part number
16N3330
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

FX STATION 1440-1460 S23L-24L EVALUATE REPAIR STA 1440-1460 S23L-S24L FUSELAGE SKIN EXISTING DOUBLER REPLACED AND INSTALLED AS PER SRM 53-00-01 FIG 201 REPAIR 3 FORM 44.000 8 ITEMS 1-20. ACCOMPLISHED, INITIATED DIP FOR REPEAT INSPECTIONS REF TABLE V, INSPECTION THRESHOLD 37,500 CYCLES. ADDITIONAL INFORMATION FOR REPEAT INSPECTION REQUIREMENTS: SKIN THICKNESS-.050", DOUBLER THICKNESS-.063". FLIGHT CYCLES SHOULD BE CALCULATED FROM THE TIME OF THE REPAIR PER NOTE H DUE TO NO INITIAL FASTENERS IN THE INSPECTION AREA. REPAIR PERFORMED PER SRM 53-00-01, FIG 201, REPAIR 3. PERFORM A LFEC AT THE INITIAL THRESHOLD OF 37,500 FLIGHT CYCLES FROM THE TIME THE REPAIR WAS INSTALLED AND REPEAT THE LFEC REPETITIVE INSPECTION EVERY 3,000 FLIGHT CYCLES THEREAFTER PER SRM 53-00-01, REPAIR 3, PG 207, TABLE V. 1) INIT: W/I 37500 F/C FROM REPAIR. INIT WILL AUTO-ITO TO 2) RIR: EVERY 3000 F/C THEREAFTER (M&E 53-9953-8-0359).

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