Service difficulty report · Retainer · Boeing 7478F

Difficulty date
March 19, 2026
Submitted
March 25, 2026
Operation
Air carrier
Aircraft
N633UP
Make and model
Boeing 7478F
Aircraft serial
65774
Aircraft time
15,892 hours, 2,317 cycles
Part
Retainer
Part number
69B017192
Condition
Cracked
Location
Zone 300
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

FOUND RH INBD ELEVATOR LOWER SPAR RETAINER DAMAGE. (REPLACE) 1. REMOVED DAMAGE RETAINER I.A.W SRM 51-40-02-0G REV.48. INSTALLED A NEW RETANER IAW SRM 51-40-02-0G REV 48, & DWG 65B05701, SHEET 02, REV J.

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