# SDR CALA2026030914408

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2026
- Submitted: March 9, 2026
- Operation: Air carrier
- Aircraft: [N684UA](https://openairdocs.org/aircraft/N684UA), registered now
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33466
- Aircraft time: 78,869 hours, 13,551 cycles
- Engine: Pwa PW4060
- Engine time: 89,372 hours, 10,992 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Fmu
- Part number: 7911004111
- Part serial: 40000101
- Condition: Unserviceable
- Location: Nr 2 Engine
- Part time: 796,067 hours, 711,901 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026030914408

## Discrepancy

EGT REACHED 597C DURING ENGINE START NR 2 PILOT DEBRIEFED UPON RTB EVENT, THEY CONFIRMED THAT START PROCEDURE WAS NORMAL UP UNTIL THE LATER STAGE WHEN THEY NOTICED THE EGT WAS GETTING OUT OF PARAMETERS, LIGHT UP WAS WITHIN SECONDS AS PER NORMAL, THEY CONFIRM THEY WAITED UNTIL MAX MOTOR TO PUT FUEL LEVER TO RUN. AIRCRAFT WAS FACING SOUTH AT TIME OF ENGINE 2 START, CURRENT LT METER REPORTS WIND DIRECTION SOUTHWEST (230 DEGREES) & WIND SPEEDS 14-16 KNOTS. WIND WAS BLOWING APPROX 50-60 DEGREEES AWAY FROM CENTRELINE OF PLANE. BITE TEST OF PIMU RECALL PROCEDURE PER FIM 71-01 FT 804 DID NOT SHOW A FAULT RELATED TO LIST OF FIM 71-06 FT 801 BLOCK 1, VERIFIED INTAKE & EXHAUST IAW AMM 72-00-00/601 AND NO EVIDENCE OF FOD FOUND, FAN CAN BE TURNED FREELY IN BOTH DIRECTIONS AND FOLLOWED FIM 71-06 FT 804 GRAPH, TEMP 597 IS OUT OF CHART LIMITS, ENGINEERING REQUESTED QAR INFO TO BE DOWNLOADED AND SENT USING THE EQAR UTILITY IAW AMM 31-31-01-972-217. ALSO REQUESTED TO CONTINUE FIM 71-06 FT 801 BLOCK 21, BORESCOPE INSPECTIONS & AMM 72-00-00/601 & REPORT FINDINGS. AIRCRAFT NOW MOVING TO THE HANGAR, NR 2 ENG FUEL PUMP AND FMU REPLACED, NR 2 ENG START ATTEMPTED 3 TIMES. RAPID RISE OF EGT NOTED , FUEL CUTOFF SWITCHES CLOSED AT 440OC. EGT RISE WELL ABREPLACED ENGINE 2 REF AMM TASK 71-00-02-400-840-C1, AND ELB TASK CARDS

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