Service difficulty report · Skin Splice · Boeing 757

Difficulty date
May 1, 2023
Submitted
May 3, 2023
Operation
Air carrier
Aircraft
N78866
Make and model
Boeing 757
Aircraft serial
32591
Aircraft time
64,846 hours, 19,472 cycles
Part
Skin Splice
Part number
146N3610
Condition
Corroded
Location
Sta1660/S25-26r
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

CORROSION FOUND IN LAP SPLICE STA 1660 RH SIDE S25R-S26R. NSPECTION THRESHOLD 37500 FLIGHT CYCLES AFTER AIRPLANE DELIVERY R COMES LATER, REF TABLE 206 ZONE A *[6] ALTERNATIVE I *[1]. WOR AND INSPECTOR (RII) QC 68 V932161. OR REPEAT INSPECTION INTERVAL AFTER THE REPAIR INSTALL, WHICHEVE K PERFORMED ON AMES ILN NON-ROUTINE 157762-0100-0076 BY V931857 DAMAGE AT 1660 S25R-S26R 100% MATERIAL LOSS. REPAIRED CORROSION PER SRM 53-00-01-2R-19 REPAIR 19. CAT B ZONE A REPAIR REQUIRES I TOMC APPROVES DAMAGE/REPAIR AT 1660 S25R-S26R 100% MATERIAL TOMC-APPROVAL FROM SC1ELBYC COMMENT LOSS. REPAIRED CORROSION PER SRM 53-00-01-2R-19 REPAIR 19. CAT B ZONE A REPAIR REQUIRES INSPECTION THRESHOLD 37500 FLIGHT CYCLES AFTER AIRPLANE DELIVERY OR REPEAT INSPECTION INTERVAL AFTER THE REPAIR INSTALL, WHICHEVER COMES LATER, REF TABLE 206 ZONE A *[6] ALTERNATIVE I *[1] QC QC REVIEWED INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE.