# SDR QMLA2021110220058

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2021
- Submitted: November 2, 2021
- Operation: Air carrier
- Aircraft: [N145TJ](https://openairdocs.org/aircraft/N145TJ), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9197
- Aircraft time: 3,521 hours, 15,282 cycles
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Gearbox
- Part number: 4639002009
- Part serial: 1491
- Condition: None
- Location: Zone 200
- Part time: 3,463 hours
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2021110220058

## Discrepancy

ON FINAL APPROACH TO JEFFERSON UNIVERSITY HOSPITAL (9PA8), ROOFTOP PAD, TR CHIP LIGHT ILLUMINATED. PIC ABORTED THE LANDING, AND OPTED TO CUNDUCT A PRECAUTIONARY
LANDING AT PENN'S LANDING HELIPORT (P72), LOCATED 1.25 MILES AWAY.  **SUPPLEMENTAL INFORMATION** 11/2/2021 CORRECTION TO REGISTRATION NUMBER.

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