Service difficulty report · Slat · Boeing 7377Q8

Difficulty date
October 20, 2023
Submitted
November 13, 2023
Operation
Air carrier
Aircraft
N7863A
Make and model
Boeing 7377Q8
Aircraft serial
30644
Aircraft time
60,033 hours, 39,744 cycles
Part
Slat
Part number
UNKNOWN
Condition
Cracked
Location
Zn 600 Right Win
Stage of operation
IN
How discovered
9
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 HFEC COUNTERSINK INSPECTION (TTG8Q00P1JJU) FOUND 4EA HOLES WITH CRACKS IN COUNTERSINK ONLY ON RW #7 SLAT AT SLAT ACTUATOR<[01] VERIFIED CORRECTIVE ACTION COMPLETE.<BR>VERIFIED MEASUREMENT TABLE.;[02] INCORRECT LABOR ROW SELECTED BY INSPECTOR; BUYBACK WAS NOT RII;[03] INCORRECT LABOR ROW SELECTED BY INSPECTOR; BUYBACK WAS NOT RII;[04] INCORRECT LABOR ROW SELECTED BY INSPECTOR; BUYBACK WAS NOT RII;[05] STEP 6 ITEM 2 WAS MARKED INCORRECTLY THIS IS NOT AN RII BUYBACK.;[06] STEP 6 ITEM 3 IS NOT RII WRONG LABOR ROW SELECTED BY INSP;[07] CORRECTIVE ACTION 1 IS NOT RII WRONG LABOR ROW SELECTED BY INSP

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