Service difficulty report · Skin · Boeing 75733N

Difficulty date
March 2, 2010
Submitted
March 8, 2010
Operation
Air carrier
Aircraft
N57862
Make and model
Boeing 75733N
Aircraft serial
32586
Aircraft time
21,422 hours, 6,579 cycles
Part
Skin
Part number
146N3430
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

EXTERNAL SKIN STA 1560 S28L-S29L FOUND PREVIOUS DOUBLER REPAIR WITHOUT RECORD. FUSE EXT SKIN DOUBLER REPAIR REPLACED AND INSTALLED AS PER SRM 53-00-01 REPAIR 3 FIG 201. FORM 44.0008 ITEMS 1 TO 17 ACCOMPLISHED. DIP RAISED FOR REPEAT INSP AFTER 37.5K CYCLES, EVERY 3K OR 6K AS APPLICABLE REF SRM 53-00-01 REPAIR 3 FIG 201 TABLE V 53-DIP C/N 03714. INSTALLED FUSELAGE SKIN REPAIR, STA 1560, STR 28LT TO STR 29LT. INITIAL THRESHOLD IS 25,000 FLT CYC PER SRM 53-00-01, REPAIR 3 FIG 201 PER TABLE V, INSPECT AND INTERVALS OF 3000 FLT CYC THEREAFTER LFEC PER CHART V OF SRM REPAIR AT 37,500 TOTAL FLT CYC`S, THEREAFTER EVERY 3,000 FLT 53-00-01 REPAIR 3 OF PG 207. NOTE DOUBLER THICKNESS REPORTED TO CYC`S FOR HFEC OR 6,000 FLT CYC`S FOR LFEC INSPECTIONS. CAT B BE .064 THICK, CATEGORY B REPAIR. REPAIR. 1) INIT: W/I 25000 F/C. INIT WILL AUTO-ITO TO 2) RIR: EVERY 3000 F/C THEREAFTER (M&E 53-9953-8-0340).

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