# SDR CALA2026080918414

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2026
- Submitted: August 10, 2026
- Operation: Air carrier
- Aircraft: [N686UA](https://openairdocs.org/aircraft/N686UA), registered now
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33468
- Aircraft time: 79,566 hours, 13,734 cycles
- Engine: Pwa PW4060
- System (JASC): [5220 · Emergency Exits](https://openairdocs.org/jasc/5220)
- Part: Hinge Pin
- Condition: Out Of Position
- Location: Zone 800
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026080918414

## Discrepancy

F/A REPORTED PAX AT OVERWING EMERGENCY ESCAPE HATCH SEATS 20BA,  EXPERIENCED NOISE & VIBRATIONS COMING FROM THE FLOOR AREA. LASTED FOR 15 MINS & ABRUPTLY STOPPED. FLT CREW MISINTERPRETED REPORT LOCATION AS AROUND THE LT ENG AREA.  PERFORMED EXTERIOR GVI OF LT ENG COWLS AS A PRECAUTION, NO DEFECTS FOUND.  FLT CREW DID NOT SHUT DOWN LT PACK & NO STATUS OR FAULT MESSAGES WERE NOTED DURING FLIGHT.  OPENED LT & RT PACK BAY DOORS, OPENED LT MLG DOOR.  RAN APU & BOTH PACKS WHILE CYCLING ON & OFF TO TRY AND DUPLICATE REPORTED CONDITION.  NO DEFECTS NOTED IN PACK BAYS OR MLG WELL AREAS.  PERFORMED A GVI ON TOP OF RT WING TO BODY FAIRING & OVER WING ESCAPE EXIT.  NO SCREWS MISSING, BULB SEALS INTACT.  LT WING ESCAPE HATCH HAS NO DEFECTS ON OUTSIDE. WORKED IAW AMM 57-05-03-212-819, AMM 56-21-01-210-802-C1, AMM 52-05-03-212-809, AMM 53-05-03-212-875.  PERFORMED OVERWING STEP HATCH HINGE PIN & DOOR INSP IAW AMM 05-51-38 AIRFRAME VIBRATION CONDITIONAL INSP.  FOUND LT OVERWING ESCAPE HATCH HINGE PIN MIGRATED HALF OUT AFTER REMOVING LT OVERWING DOOR. IAW AMM 52-21-01,  PUSHED HINGE PIN IN & STAKED IT SECURE. STILL REQURES ARMING OFF THE OFF WING ESCAPE SYSTEM IAW AMM 25-65-00. FIRST STEP F.

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