Service difficulty report · Retainer · Boeing 7377H4

Difficulty date
July 14, 2023
Submitted
August 15, 2023
Operation
Air carrier
Aircraft
N229WN
Make and model
Boeing 7377H4
Aircraft serial
32498
Aircraft time
58,665 hours, 35,024 cycles
Part
Retainer
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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

CORROSION ON SEAL RETAINER BS227 AFT SIDE OF BULKHEAD RBL3 WL161<[01] SEAL RETAINER @ BS227 AFT SIDE OF BLKHD WL 161 RBL3 WAS FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED PART IAW SRM 51-40-02 AND DWG #141A7410.;[02] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.

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