Service difficulty report · Housing · Boeing 737

Difficulty date
July 31, 2026
Submitted
July 31, 2026
Operation
General aviation
Make and model
Boeing 737
Engine
Cfmint LEAP1B21
Engine time
1,455 hours, 934 cycles
Part
Housing
Condition
Damaged
Location
Eng Roller Nr3
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

THE ISSUE WAS IDENTIFIED FOLLOWING THE DETECTION OF A SIMILAR DISCREPANCY ON ENGINE 602978 DURING A CONFIGURATION REVIEW. DISCUSSIONS WERE HELD WITH THE INVOLVED DISASSEMBLY INSPECTOR AND A TARGETED REVIEW OF THE INSPECTOR'S RECENT DELIVERIES WAS PERFORMED. THIS CONTAINMENT ACTIVITY LED TO THE IDENTIFICATION OF THE SAME DISCREPANCY ON THE PRESENT CASE AND THE INITIATION OF THE ASSOCIATED CORRECTIVE ACTIONS.