Service difficulty report · Oxygen Mask

Difficulty date
July 22, 2026
Submitted
July 30, 2026
Operation
General aviation
Filed by
6HUY963C
Hugen Maintenance for Aircraft B.V.
Part
Oxygen Mask
Part number
MC1008109
Part serial
SE75252
Condition
Misrepaired
Location
Zone 200
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

DURING SCHEDULED OVERHAUL OF A CREW OXYGEN MASK REGULATOR UNDER WORK ORDER WHU2605833 F IDENTIFIED THAT THE REGULATOR BLOCK LOCK HAD NOT BEEN SOLDERED IAW APPLICABLE COMPONENT MM. REVIEW OF THE MAINT RECORDS INDICATED THAT THE COMPONENT HAD PREVIOUSLY BEEN OVERHAULED BY ANOTHER APPROVED MAINTENANCE ORGANISATION IN SEPTEMBER 2025. DISCREPANCY WAS DETECTED DURING DISASSEMBLY & DETAILED INSP BEFORE RELEASE TO SERVICE. HAD CONDITION REMAINED UNDETECTED, THE INTEGRITY OF THE REGULATOR ASSY COULD HAVE BEEN ADVERSELY AFFECTED, POTENTIALLY COMPROMISING CONTINUED SERVICEABILITY. COMPONENT REMAINS UNDER MAINT. DISCREPANCY WILL BE CORRECTED IAW APPROVED MAINT DATA PRIOR TO RELEASE TO SERVICE. CUSTOMER & PREVIOUS MAINTENANCE ORGANISATION HAVE BEEN NOTIFIED.