SDR IXXA20250304010

Service difficulty report · Bolt · Boeing 7572Y0

Difficulty date: February 28, 2025
Submitted: March 5, 2025
Operation: Air carrier
Aircraft: N753CX
Make and model: Boeing 7572Y0
Aircraft serial: 26152
Aircraft time: 68,862 hours, 25,793 cycles
System (JASC): 5344 · Fuselage, Door Hinge
Part: Bolt
Condition: Dislodged
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

WHILE OPENING L1 DOOR TO TROUBLESHOOT POPPED CIRCUIT BREAKER, BOLTS FOR LOWER DOOR HINGE SERATION PLATE DISLODGED. AIRCRAFT GROUNDED FOR REPAIRS. 4 EACH BOLTS FOR GUIDE ARM SUPPORT BRACKET WERE REPLACE PER BOEING 757 AIRCRAFT MAINTENANCE MANUAL 52-11-04/201. ADJUSTMENT TEST IAW BOEING 757 AIRCRAFT MAINTENANCE MANUAL 52-11-00/501 GOOD. OPERATIONAL OPEN AND CLOSE FUNCTIONS OF THE L1 DOOR SATISFACTORY. NO ADDITIONAL FAULTS NOTED.

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